HELP IM ON LIMITED TIME
The DNA sequence of the African great apes is compared to that of
South American monkeys, and an average difference of about 7.0% is
observed. This is much smaller than the difference between either
primate and other mammals. What type of evidence for evolution is
this an example of?
Select one:
Embryological
Molecular
Anatomical
DNA
Answers
Answer:
This is an example of molecular evidence for evolution.
Explanation:
This is an example of molecular evidence for evolution. Molecular evidence for evolution refers to the study of the genetic makeup of different species to understand their evolutionary relationships. In this case, the scientist is comparing the DNA sequences of two different groups of primates and observing that the average difference is relatively small. This suggests that these species are closely related and likely evolved from a common ancestor, providing evidence for the theory of evolution.
Related Questions
What new knowledge was gained from Frederick Griffiths work with pneumococci bacteria
Answers
Answer:The new knowledge gained from Frederick Griffith's work with pneumococci bacteria is that bacteria contain a physical substance that can change the structure of other bacteria. Therefore, option 3 is the correct answer.
Explanation:
an individual is taking a shower when the warm water slowly runs out. receptors in his skin detect this slight change. which of the following properly classifies these receptors?
Answers
One thing that makes smell unique among the senses is that its receptor cells are neurons. Each olfactory receptor cell has filaments called cilia, with receptors designed to bind to specific molecules.
Nociceptors are sensory receptors that detect signals from damaged tissue or the threat of damage and also respond indirectly to chemicals released from damaged tissue. Sensory receptors are classified into five types based on their sensitivity chemoreceptors, pain receptors, thermoreceptors, mechanoreceptors, and photoreceptors. Chemoreceptors detect the presence of chemicals. Thermoreceptors detect changes in temperature. Mechanoreceptors detect mechanical forces. Photoreceptors detect light during vision. Type II cytokine receptors, also commonly known as class II cytokine receptors, are transmembrane proteins that are expressed on the surface of certain cells.
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There are three sources of genetic variation in sexual reproduction. Determine which of the following statements accurately describes which of these are considered random and which are not
Answers
Genetic recombination and independent assortment are considered random sources of genetic variation, while mutations can occur randomly or due to specific factors.
In sexual reproduction, the three sources of genetic variation are genetic recombination, independent assortment, and random mutations. Among these sources, genetic recombination and independent assortment are considered random processes, while mutations are not entirely random.Genetic recombination occurs during meiosis when homologous chromosomes exchange genetic material through crossing over. This process is considered random as the precise locations where recombination events occur are unpredictable.Independent assortment refers to the random alignment and separation of homologous chromosomes during meiosis I. The random positioning of maternal and paternal chromosomes contributes to genetic diversity in offspring.On the other hand, mutations are not entirely random as they can be influenced by various factors such as exposure to mutagens or errors in DNA replication. However, the specific mutations that occur at particular loci are generally considered random events.Therefore, the accurate statement would be that genetic recombination and independent assortment are considered random sources of genetic variation, while mutations are influenced by both random and non-random factors.For more such questions on Genetic variation:
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Why are Euglena and Trypanasoma placed in different classes?
Answers
Explanation:
Euglena and Trypanosoma are placed in different classes because they belong to different taxonomic groups based on their distinct characteristics, evolutionary relationships, and overall organization. The classification of organisms is determined by their shared similarities and differences, allowing scientists to group them into various hierarchical categories.
Euglena and Trypanosoma belong to different classes due to the following reasons:
1. Morphological Differences: Euglena is a unicellular, freshwater protist that possesses a characteristic whip-like tail called a flagellum, allowing it to move and propel itself. It also contains a photosynthetic pigment called chlorophyll, enabling it to perform photosynthesis. On the other hand, Trypanosoma is a parasitic protist that causes diseases such as African sleeping sickness and Chagas disease. It possesses a single flagellum but lacks chlorophyll and cannot perform photosynthesis.
2. Evolutionary Relationships: Classification takes into account the evolutionary relationships between organisms. Euglena belongs to the class Euglenophyceae, which includes various species of photosynthetic protists. They are considered to be a diverse group that originated from a common ancestor. Trypanosoma, however, belongs to the class Kinetoplastea, which includes various parasitic flagellates. These organisms are not closely related to Euglena, indicating a distinct evolutionary history.
3. Biochemical and Genetic Differences: Euglena and Trypanosoma also differ biochemically and genetically. They have distinct cellular structures, metabolic pathways, and genetic compositions that contribute to their unique characteristics and lifestyles. These differences further support their classification into separate classes.
By considering these factors, taxonomists and scientists classify organisms into appropriate hierarchical categories, ensuring that organisms with shared characteristics are grouped together while differentiating them from organisms with distinct features. The placement of Euglena and Trypanosoma in different classes reflects their distinct biological attributes and evolutionary histories.
Answer:
Explanation:
Euglena and Trypanosoma are both unicellular organisms that belong to the kingdom Protista, but they are placed in different classes because they have different characteristics and lifestyles. Euglena is a photosynthetic organism that can produce its own food using sunlight, and it has a structure called a chloroplast that contains pigments such as chlorophyll. It also has a flagellum, which it uses to move around in its aquatic environment. Euglena belongs to the class Euglenophyceae, which includes other photosynthetic unicellular organisms that have similar characteristics. On the other hand, Trypanosoma is a parasitic organism that feeds on the blood of its host, and it does not have the capability to photosynthesize. It moves by using a single flagellum and has a unique structure called a kinetoplast, which contains DNA and other important cellular components. Trypanosoma belongs to the class Kinetoplastea, which includes other parasitic unicellular organisms that have similar characteristics. Therefore, Euglena and Trypanosoma are placed in different classes based on their different modes of nutrition, locomotion, and other morphological and physiological characteristics.
What did Hamilton smith notice in 1972
Answers
Answer:
that the phage DNA degraded over time.
Explanation:
Patrice is having a tough time developing confidence before she has to speak in front of a group of her colleagues. She asks her friend, Amelia, for help building confidence. What topic should Amelia recommend that Patrice study to BEST help her build confidence before future public speaking occurrences?
Phrasing
Mirroring
Haptics
Power poses
Answers
Amelia should recommend that Patrice study "Power poses" (option d) to best help build confidence before future public speaking occurrences.
Amelia should recommend that Patrice study "Power poses" as they are a proven method to boost confidence in public speaking. Power poses involve adopting postures that convey confidence and authority, which can have a positive psychological impact on the individual.
By practicing power poses before a presentation, Patrice can feel more self-assured and in control, leading to a better performance in front of her colleagues.
Although phrasing, mirroring, and haptics can be helpful in certain situations, power poses specifically target confidence-building and are most relevant to Patrice's concerns about her public speaking abilities.
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For which of the following purposes would the energy pyramid shown be LEAST useful? (1 Point)
PLEASE IF YOU KNOW TELL ME
Answers
Answer:
A: developing a weed killer for eel grass
Explanation:
During an evening hike, you see a shooting star just like the one pictured here.
In which layer of the atmosphere does this shooting star occur?
troposphere
stratosphere
mesosphere
thermosphere
Answers
The shooting star occurs in the mesosphere, which is the layer of the atmosphere above the stratosphere and below the thermosphere.
The shooting star observed during an evening hike occurs in the mesosphere. Shooting stars, also known as meteors, are visible when small particles, typically from comets or asteroids, enter the Earth's atmosphere and burn up due to friction with the air molecules. The mesosphere is the third layer of the Earth's atmosphere, located above the stratosphere and below the thermosphere. It extends from about 50 to 85 kilometers (31 to 53 miles) above the Earth's surface. In the mesosphere, the air is thin and the temperature decreases with altitude. This layer is where most meteors burn up and produce the phenomenon of shooting stars that we observe from the ground.For more such questions on Mesosphere:
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The force that
Governs the
The greater the
The
system - this explains why the planets
all objects with
of the
☆
of an object, the greater amount of
has more gravitational force than any of the
around the Sun
toward one another
force
in the solar
Answers
Answer:
the greater amounts of has more gravitational force than any of the around of sun toward one another force in the solar
name the method of transport used by small organisms that do not have a circulatory system
Answers
Explainedddd:
Answer:
Diffusion
simple animals consisting of a single cell do not have a circulatory system instead gases, nutrients and waste are exchanged by diffusion
To see if baldness in men is caused by a high protein diet, a scientific researcher provides one group of 50 men a diet which includes the normal AMDR range for protein (10-35%). The researchers provide a second group of 50 men with a high protein diet, containing above 50% protein. What is the variable for which this experiment’s results will be based upon?
a.
Whether or not the men develop baldness
b.
The amount of protein in the men’s diets
c.
The age of the men and amount of water they are given to drink
d.
The number of men in each group
Answers
a. Whether or not the men develop baldness
The researcher is investigating if a high protein diet is a potential cause of baldness in men. Therefore, the variable of interest is whether or not the men develop baldness, and the study is comparing two groups of men with different levels of protein in their diets to see if there is a significant difference in baldness rates.
While other factors such as age, water intake, and the number of men in each group may also be controlled or monitored during the study, they are not the main variable of interest for this particular experiment.
Histoplasmosis is a disease of
Answers
Answer:
Histoplasmosis is an infection caused by a fungus called Histoplasma. The fungus lives in the environment, particularly in soil that contains large amounts of bird or bat droppings.Got it from the internet.
Give several reasons why the cane toads can be so disastrous for native species. In other words, what are the reasons why they are such successful invaders
Answers
Answer:
They reproduce so quickly and largely to occupy the areasb)They spread everywhere in Australia c)They produce poison component in skin which cause native species dead. For example, the steroids, which affect heart muscles, will kills the western native cats in 20 minutesd)They do not have natural enemies e)People think cane toads are petsf)Anything that moved and smaller than cane toad was potential prey2. Describe what might happen to the ecosystem where the toads invade.a)Because the cane grub and beetle cannot satisfy their requirement of food, they eat everything, the ecosystem will damageb)They live in the people’s garden and house, which influences people’s daily lifec)The gland is poisonous, which causes people dead, especially for babies and young childrend)They will hurt people’s eyese)They need native animals
Explanation:
HOPE IT HELPS :D
• Some nitrogen fixing bacteria help
increase the fertility. This makes the
soil more productive. What activity of
bacteria helps make soil more
productive?
●
(a) Supplying compounds of nitrogen
to the plant roots.
(b) Breaking down nitrogen rich waste
into nitrogen gas.
OUTLO
(c) Breaking down compounds of
nitrogen to release nitrogen gas.
(d) Taking up nitrogen from the air
and converting it into compounds of
nitrogen
Answers
Explanation:
This makes the soil moreproductive. What activity of bacteria helps make soil more productive? (a) Supplying compounds of nitrogen to the plant roots.
Over time, how will the distribution of matter in a galaxy cluster change?
Answers
Answer:
Galaxies are in clusters and over time those clusters will join and make more, and soon they will part into their own and probably join a different one. That may sound a little confusing to some but it's quite simple. My mom explained it to me like friends, you meet some people and become friends and then sometimes you will drift away and make new friends.
Galaxies are in clusters and over time those clusters will join and make more, and soon they will part into their own and probably join a different one. That may sound a little confusing to some but it's quite simple.
What is solar system?The solar system is defined as a system which is gravitationaly bound of the sun and orbit is occupied by object. The formation of solar system takes place 4.6 billion years ago and this happens due to gravitational collapse of a giant molecular cloud.
The most and wast majority of the systems mass in the sun and other part of mass contained by the planet jupiter. The solar system contain total 8 planet in which 146 moon, asteroid and space rocks, a number of dwarf planet such as pluto and Italian astronomer Galileo Galilei discovers solar system.
Therefore, Galaxies are in clusters and over time those clusters will join and make more, and soon they will part into their own and probably join a different one. That may sound a little confusing to some but it's quite simple.
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which of these statements best explains the process of energy conversion that takes place in the mitochondria? responses the energy in the bonds of glucose molecules is transferred to the phosphate bonds in atp. the energy in the bonds of glucose molecules is transferred to the phosphate bonds in atp. oxygen molecules release energy in the form of heat during combustion reactions. oxygen molecules release energy in the form of heat during combustion reactions. energy is required for carbon dioxide molecules to form six-carbon sugar molecules. energy is required for carbon dioxide molecules to form six-carbon sugar molecules. water molecules and radiant energy are necessary for anaerobic respiration to take place.
Answers
The sentences that most accurately describe the process of energy conversion that occurs in the mitochondria state that energy is transferred from the bonds in glucose molecules to the phosphate bonds in ATP. The correct option is (a).
The chemical energy from the food we eat is converted into usable energy by the mitochondria in the cell using oxygen. To enable photosynthesis, chloroplasts are required in plant cells. The mitochondria, which convert energy throughout the cell, are its beating center.
Burning wood causes heated, stimulated atoms to release the log's potential energy (in the form of chemical energy). The chemical reaction that requires oxygen is called combustion. The energy in glucose molecules is transferred to the phosphate bonds in ATP, making option (a) the best choice.
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The complete question is:
Which of the following best describes the process of energy conversion that takes place in the mitochondria?
A. The energy in glucose molecules is transferred to the phosphate bonds in ATP.
B. Energy needed to bond carbonate.
C. The energy in water molecules and solar energy activate the anaerobic cycle.
D. Oxygen molecules release energy.
On a shade-grown coffee plantation, smaller coffee trees grow in the shade of other forest trees. Why is shade-grown coffee more sustainable than coffee grown in full sun?
A. It provides greater profits for farmers.
OB. It provides habitat for forest birds.
O C. It reduces forest biodiversity.
D. It produces more coffee beans.
Answers
The reason why it is more sustainable is that It provides habitat for forest birds.
What is shade grown coffee?Owing to the fact that it provides home for forest birds and encourages biodiversity, coffee farmed in the shade is said to be more environmentally friendly than coffee grown in full sunlight.
Shade-grown coffee farms keep their tree canopy intact, preserving the habitat for species such as birds, insects, and other creatures vital to the ecosystem's health.
By minimizing deforestation and soil degradation, this method of growing coffee has been found to conserve the environment and preserve biodiversity.
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Which best disscribes an astroid
Answers
Answer:
Asteroids are rocky and metallic objects that orbit the Sun but are too small to be considered planets.
Question 5 of 25
Which measurements could create more than one triangle?
A. Sides measuring 3 cm, 8 cm, and 15 cm
B. Sides measuring 10 cm and 20 cm and an included angle
measuring 50°
C. Angles measuring 100°, 10°, and 70°
D. Angles measuring 110°, 40°, and 40°
SUBMIT
Answers
The measurements that could create more than one triangle are options C and option D.
Explanation: For a triangle to exist, the sum of any two sides of a triangle must be greater than the length of the third side.
In option C, the angles measuring 100°, 10°, and 70° do not satisfy this condition, as the sum of the angles 10° and 70° is less than 100°, making it impossible to form a triangle. However, by rearranging the angles, such as 10°, 70°, and 100°, we can create a valid triangle.
In option D, the angles measuring 110°, 40°, and 40° also violate the condition for a triangle, as the sum of the angles 40° and 40° is less than 110°. However, by rearranging the angles, such as 40°, 40°, and 110°, we can create a valid triangle.
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Question 8(Multiple Choice Worth 1 points)
(04.03 MC)
During cellular respiration, which of the following is equal to the number of atoms of carbon in glucose?
Number of atoms of oxygen in water
Number of atoms of carbon in carbon dioxide
Total number of atoms of oxygen in water and oxygen gas
Total number of atoms of carbon in sugar and carbon dioxide
Answers
Total number of oxygen in carbon dioxide and water, i think
what Will happen if the habitats of these plants and animals are destroyed
Answers
Answer:
which plants and animals?
Explanation:
Do the spinal nerves include the sensory or motor neurons? Where do these neurons enter or exit the spinal cord?
Answers
Answer:
hd
Explanation:
The spinal nerves include the sensory or motor neurons sensory neuron → brain → motor neuron → muscles.
What are neurons?Neurons are nerve cells that are specialized to process and transmit information. The brain then processes the information obtained from the sensory neuron and sends another signal trough the motor neuron carrying the message to the muscle.
The spinal cord acts as a nerve center between the brain and the rest of our body and it contains motor neurons that transmits nerve signals from the motor cortex to the body, and the spinal cord also receives all of the sensory information from the periphery of our bodies.
Motor neurons are also known as efferent neurons, they are part of the central nervous system that transmit impulses from the brain or spinal cord to the effector organ (muscles or glands).
Therefore, The spinal nerves include the sensory or motor neurons sensory neuron → brain → motor neuron → muscles.
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In Metaphase, the chromosomes are all aligned in the center of the cell.
O True
O False
Answers
True. During metaphase, the chromosomes line up in the center of the cell in a process called the metaphase plate.
What do you mean by metaphase?
Metaphase is one of the stages of mitosis, the process of cell division. During metaphase, the chromosomes line up in the middle of the cell and are attached to the spindle fibers. The centrosomes, located on opposite sides of the cell, move apart and form the spindle fibers. These fibers attach to the chromosomes and pull them to the middle.
The positioning is important for the cell to accurately separate the chromosomes during the next stage of cell division, anaphase.
Hence, the statement is True.
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Would you say the rate of cell growth is increasing or decreasing? cell division
Answers
Answer:
i would say ut increases leading to production of larger cells.
Explanation:
Cell size depends on both cell growth and cell division, with a disproportionate increase in the rate of cell growth leading to production of larger cells and a disproportionate increase in the rate of cell division leading to production of many smaller cells.
Someone makes a loud noise and it scares you use complete sentences to put the following vocabulary terms in order to describe how the body processes the sound and reacts central nervous system, sensory organs, and sensory receptors
Answers
Answer:
When someone makes a loud noise and it scares you, your body goes through a series of processes to respond to the sound. I'll break it down using the terms you mentioned.
Explanation:
Sensory organs: These are specialized parts of your body that detect stimuli from the environment. In the case of hearing a loud noise, your ears are the sensory organs responsible for detecting sound waves.
Sensory receptors: These are specialized cells within your sensory organs that convert the stimuli, in this case, sound waves, into electrical signals that can be understood by your body. In your ears, tiny hair cells act as sensory receptors, converting the sound waves into electrical signals.
Central nervous system: This refers to your brain and spinal cord, which are the main components of your central nervous system. Once the sensory receptors in your ears convert the sound waves into electrical signals, these signals travel through nerves to reach your central nervous system.
So, in the situation where someone makes a loud noise, the sound waves are detected by the sensory organs (your ears), which then send the information to the sensory receptors (hair cells). The sensory receptors convert the sound waves into electrical signals, which are then transmitted through nerves to your central nervous system (brain and spinal cord).
Once the electrical signals reach your central nervous system, your brain processes the information and determines that the loud noise is something to be concerned about. It may trigger a response, such as a startled reaction or the feeling of fear. These responses are coordinated by your central nervous system, which sends signals to various parts of your body to react accordingly.
So, the order of the processes involved in how the body processes the sound and reacts to a loud noise is: sensory organs (ears) -> sensory receptors (hair cells) -> central nervous system (brain and spinal cord).
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Which best describes the flow of oxygenated blood through the heart?
Question 1 options:
Left pulmonary veins, right atrium, right AV valve, right ventricle, aortic semilunar valve, aorta
Pulmonary veins, left atrium, left AV valve, left ventricle, aortic semilunar valve, aorta
Superior vena cava, left atrium, left AV valve, left ventricle, pulmonary semilunar valve, left pulmonary artery
Superior vena cava, right atrium, right AV valve, right ventricle, pulmonary semilunar valve, left pulmonary artery
Answers
Answer:
Explanation:
Blood enters the right atrium and passes through the right ventricle. The right ventricle pumps the blood to the lungs where it becomes oxygenated. The oxygenated blood is brought back to the heart by the pulmonary veins which enter the left atrium. From the left atrium blood flows into the left ventricle.
The correct option that describes the flow of oxygenated blood through the heart is B, Pulmonary veins, left atrium, left AV valve, left ventricle, aortic semilunar valve, and aorta.
The left atrium is where oxygenated blood enters the heart after traveling from the lungs to the heart via the pulmonary veins. The left AV (atrioventricular) valve, also referred to as the mitral valve, allows blood to pass from the left atrium into the left ventricle.
The aortic semilunar valve, the body's primary artery that carries oxygenated blood to all the organs and tissues, is opened as the left ventricle contracts, pumping blood out into the body.
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The cell body of a neuron
Answers
PLEASE ANSWER ASAP DUE IN 1 MIN!!!!!!!!!!!!!!!!!!!!!!
In a certain breed of cow the gene for red fur, R, is codominant with that of white fur, W.What would they be if you breed a red & white cow with a red & white bull?
A. G: 100% RW P:red and white cow
B. G:25 % RR 75% RW P: red
C. G:25% RR, 25% WW, 50% RW P: 1 red cow, 2 red and white cows, 1 white cow
D. G: 50% RR, 50% Rr P: all red cows
Answers
Answer:
D. G: 50% RR, 50% Rr P: all red cows
Explanation:
Look at the climatograph below:
Climatograph shows rainfall from January to December as 30 millimeters, 31 millimeters, 30 millimeters, 42 millimeters, 45 millimeters, 29 millimeters, 12 millimeters, 16 millimeters, 24 millimeters, 29 millimeters, 24 millimeters, and 29 millimeters. Climatograph shows temperature in Celsius from January to December as negative 9 degrees, negative 6 degrees, 3 degrees, 11 degrees, 15 degrees, 22 degrees, 27 degrees, 26 degrees, 20 degrees, 10 degrees, negative 4 degrees, and negative 6 degrees.
Which type of biome is most likely represented by the climatograph?
Temperate biome
Equatorial biome
Cold biome
Tropical biome
Answers
Answer:
A tropical rainforest biome
Explanation:
In your answer, identify the biome likely represented by the climatograph. (4 points) Your Answer: A tropical rainforest biome experiences temperature between 20 and 25 degrees Celsius year round, and does not have distinct seasons.
When this organelle malfunctions, the release of food energy into the cell would be
impaired. In places with many of these organelles, such as in the muscles, there may
be issues with not enough energy to allow for movement.
a) lysosomes
b) ribosomes
c) vacuole
d) mitochondria
Answers
Answer:
d
Explanation:
Mitochondria is the power house of the cell. It's where aerobic respiration happens and release of energy as ATP happens.