Answer:
D: club
Explanation:
How does a raccoon use their adaptations to survive in the wild (paragraph, 5 sentences) please Ty!
Which example can be classified as a trace fossil?
A. shrimp burrow
B. imprint of a fern leaf
C. dinosaur bone
D. mold of a clam shell
Answer:
the answer is D
help me plssssss asap. thanks.
Why it was important that Gregor Mendel used thousands of pea plants in his experiments? Would Mendel have found the same results if he had used only twenty plants? Explain.
Answer:
Explanation:
Gregor Mendel used thousands of pea plants in his experiments to ensure that his results were accurate and reliable. By using a large sample size, he was able to reduce the effects of chance and random variation in his experiments. This is important because biological systems are complex and variable, and small sample sizes can lead to inaccurate or misleading results.
Mendel's experiments involved crossing pea plants with different traits (e.g., tall vs. short, yellow vs. green), and he counted the number of offspring with each trait. He found that the offspring followed predictable patterns of inheritance, which he summarized in his laws of inheritance.
If Mendel had used only twenty plants in his experiments, he may not have obtained the same results. With a small sample size, chance events can have a greater impact on the results. For example, if he crossed two pea plants with different traits and obtained only a few offspring, it's possible that chance events (such as mutations or environmental factors) could have influenced the results. This could lead to false conclusions about the inheritance of the traits.
Therefore, using a large sample size was critical to Mendel's success in developing his laws of inheritance. It allowed him to detect patterns that were consistent across many different crosses, and to demonstrate that these patterns were not the result of chance variation.
A microscope has 10x low power objective and a 60x high power objective. If the low power field of view measure 2.4 mm, and 20 microorganisms could gross the diameter of the high power field of view, what is the diameter of each organism in micrometers?
Answer:
2.87
Explanation:
10x (10*7)
20x/7
2.87
Think about how sedimentary rocks form. Can you determine which fossils in the image are the oldest and which fossils are the youngest? Explain ur answer. PLS HELP FAST!!!!
Answer:
Considering the formation of sedimentary rocks, the fossils in layer C are the oldest. Sedimentary rocks form in layers, with the oldest rock at the bottom. So, the fossils in layers A and B are newer than the ones in layer C. The fossils in layer A are the newest fossils
Explanation:
What best describes ribosomes?
Ribosomes are cellular structures that synthesize proteins from amino acids. They are composed of ribosomal RNA and proteins and are found in both prokaryotic and eukaryotic cells.
Ribosomes are essential for gene expression and cell growth. They can be free in the cytoplasm or bound to the endoplasmic reticulum or the nuclear envelope.
An example of a ribosome function is the translation of a messenger RNA (mRNA) sequence into a polypeptide chain. The ribosome reads the mRNA codons and matchesthem with the corresponding transfer RNA (tRNA) anticodons that carry the amino acids. The ribosome then forms a peptide bond between the amino acids and releases the tRNA. This process continues until the ribosome reaches a stop codon on the mRNA and terminates the protein synthesis.
Answer:
A ribosome is a intercellular structure made of RNA and protein
Explanation:
How many cells have the gene for collagen? Do all of these express that gene?
Answer: 23 genes, a given tissue/cell type expresses only a subset of the collagen genes.
Explanation: Hope This Helps!
A significant protein in the human body, collagen is an essential constituent of the connective tissues that make up many body components, such as the skin, ligaments, and tendons. A triple helix of three polypeptide chains, each expressed by a distinct gene, makes up collagen.
What is the number of collagen exist ?At least 28 distinct forms of collagen exist, and each one is encoded by a separate gene. There are around 28 distinct forms of collagen in humans, each of which is encoded by a separate gene. Although the precise number of genes responsible for encoding collagen is unknown, it is thought to be between 19 and 28.
Each gene encodes a unique kind of collagen, and every kind of collagen has a unique purpose in the body. not every cell in body. Not every collagen gene is expressed by every cell in the body. Depending on their purpose and the type of tissue they are located in, many cell types in the body express various forms of collagen genes.
As an illustration, skin cells express more collagen-related genes than blood cells do. Additionally, hormones and other environmental factors as well as other mechanisms can regulate the expression of collagen genes.
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Which of the following features is common to prokaryotes and many eukaryotes?
The nuclear membrane is present
Membrane-bound subcellular organelles are present
Chromosomes are present
The cell wall is present
During the night, you woke up to strong rains and wind. You’re not exactly sure which kind of storm occurred. In the morning, you see that a tree in your yard is split in two. This is the only damage and debris in the area.
What type of storm most likely caused the damage?
O cyclone
O hurricane
O thunderstorm
O tornado
WILL GIVE BRAINLIEST!!!! SO HURRY
Which statement explains why secondary succession is generally more rapid than primary succession?
An area of secondary succession has never been colonized.
There are no competing organisms in secondary succession.
The soil is already present at the start of secondary succession.
Pioneer species in secondary succession include bacteria.
Answer:
The soil is already present at the start of secondary succession.
Explanation:
Secondary succession is usually faster than primary succession because soil and nutrients are already present due to 'normalization' by previous pioneer species.
Which statement correctly compares techniques used to determine rock ages?
A.
Core rock samples indicate absolute age, but radioactive dating indicates relative age.
B.
Radioactive dating indicates absolute age, but the law of superposition indicates relative age.
C.
The law of superposition indicates absolute age, but core rock samples indicate relative age.
D.
Position of fossils in rock indicates absolute age, but core rock samples indicate relative age.
Infectious Disease Investigation
The students are to investigate an infectious disease.
They will choose a specific infectious disease, such as the flu, common cold, or
COVID-19, and research its causes, symptoms, and preventive measures.
Students are to create informative posters or presentations about the disease,
including its transmission methods and ways to protect oneself from infection.
They will explain the importance of personal hygiene and vaccination in preventing
the spread of infectious diseases.
Following the summer vacation, the students will be given an opportunity to present
their findings to the class or organize an "Infectious Disease Awareness Campaign"
where they can share their posters or presentations with their peers.
Answer:
The common cold is an illness affecting your nose and throat. Most often, it's harmless, but it might not feel that way. Germs called viruses cause a common cold.
Often, adults may have two or three colds each year. Infants and young children may have colds more often
Which statement is most accurate regarding the effect of decomposition on soil?
A.
Decomposition destroys soil.
B.
Decomposition adds nutrients to soil.
C.
Decomposition contaminates healthy soil.
D.
Decomposition removes oxygen and nitrogen from soil.
Answer: B
Explanation: It doesen't destroy, doesen't remove ooxygen and nitrogen, and it might contaminate healthy soil in some specific things but most likely not so that leaves B and we know when something dies and decomposes the nutrients from the body is spread to the ground, bugs, and other animals.
ITS DUE IN 13 MIN HELP
Is rainwater a pure substance or a mixture?
please explain
A heterozygous for height pea plant is crossed with a homozygous recessive for height pea plant. What is the punnet square?? Please answer quickly!!!
Write a scientific explanation using CLAIM,EVIDENCE AND REASONING
explain how homologous,analogous and vestigial structures are evidence of evolution
Help..?
Invasive species are
the first species to populate to a new area
in danger of becoming extinct in the near future
plants or animals that migrated to new places where they are not native
consumers that eat only animals
Answer: plants or animals that migrated to new places where they are not native
Explanation:
Answer:
plants or animals that migrated to new places where they are not native
Explanation:
Invasive species are non-native species that cause harm to the environment, economy, or human health. These species often outcompete native species for resources, prey on native species, and disrupt the natural balance of the ecosystem. They can also spread diseases to other species, and cause significant economic damage. Examples of invasive species include the emerald ash borer, zebra mussels, gypsy moths, and Asian long-horned beetle.
What additional evidence
do we have today that
supports Darwin's theory?
A. Cell theory
B. DNA and molecular evidence
C. Process of photosynthesis
D. Method of protein synthesis
Answer: The answer is A cell theory.
Explanation: For our cells to be as developed and complex as they are today a huge evolutional process was necessary. This process is explained in the cell theory
DNA and molecular evidences are the additional evidences to support Darwin's theory. The correct option is B.
What is Darwin's theory?According to Darwin's theory, all species of organisms emerge and develop through natural selection of slight, inherited variations that significantly raise the individual's capacity to compete, stay alive, and reproduce.
It is backed up by research from a wide range of scientific disciplines, as well as genetics, which shows that DNA from different species is similar.
Fossils, embryological studies, anatomical and morphological characteristics, and molecular biology are examples of evidence that support the theory of evolution by comparing DNA sequences.
Thus, the correct option is B.
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What type of surface makes water turn into run-off? what happens when enough run-off water gathers to flow farther downhill? PLS HELP
Answer:
A surface like a mountain.
Explanation:
The mountain cannot absorb the water and when snow melts it wil run down the mountain.
The first step after birth is ___________
Answer:
Immediate newborn assessments include weight, length, and medicines, to make sure that the baby is healthy and stable.
Answer:
First you check the weight of the baby to make sure its healthy.
Explanation:
If you cross a mussel with dark, zebra-striped shells with a mussel with solid light-colored shells, how many offspring would you expect to have the have solid, dark-colored shells?
Answer:
You would expect to have 0% offspring with the dark, zebra-striped shells.
Explanation:
Deshawn is conducting an experiment about fermentation. He prepares six bottles. The table shows what he puts in each bottle.
bottle 1 1 cup cold water, 1 packet yeast
bottle 2 1 cup cold water, 1 packet yeast, 2 tablespoons sugar
bottle 3 1 cup lukewarm water, 1 packet yeast
bottle 4 1 cup lukewarm water, 1 packet yeast, 2 tablespoons sugar
bottle 5 1 cup hot water, 1 packet yeast
bottle 6 1 cup hot water, 1 packet yeast, 2 tablespoons sugar
He swirls the bottles until the yeast dissolves and puts a balloon over the neck of each bottle. In 20 minutes, he will check and see what has happened.
6 bottles with balloons stretched over the mouths, balloons are not inflated
Part A
What question is being asked through this scientific investigation?
HELP ME
Rewrite the expression c + 0.25c using fractions instead of decimal numbers.
Answer:
im not sure
Explanation:
Look at the diagram of the rock cycle below.
Which part of the cycle is missing?
A.
sedimentation
B.
melting
C.
crystallization
D.
mineral integration
From the diagram of the rock cycle the missing part is ( B ) ; Melting
Magma is a hot liquid/semi-liquid rock that is usually formed under the earth due to high pressure and temperature present in the inner core of the earth. magma is obtained by the melting down of existing rocks ( Igneous, sedimentary and metamorphic rocks ) under high pressure and temperature in the earths core.
Magma is released to the earth surfaces during volcanoes therefore the missing term in the rock cycle is melting
Hence we can conclude that from the diagram of the rock cycle the missing part is Melting.
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Put an X next to all the statements that can be considered signs of global warming.
A. The concentration of CO2 is at 400 parts per million (ppm) today. It has never been more than 300 ppm in the past 800,000 years.
B. Global sea level rose about 6.7 in. in the past century. The rate in the past decade, however, is nearly double that of the past century.
C. Since 1880, the 10 hottest years on record have been in the past 17 years.
D. Antarctica lost about 36 cubic miles of ice between 2002 and 2005.
E. Since the beginning of the Industrial Revolution in the 1880s, the acidity of surface ocean waters has increased by about 30 percent.
F. The area covered by sea ice in the Arctic at the end of summer has shrunk by about 40% since 1979.
G. Currently, 37 glaciers in Glacier National Park are retreating.
H. Since 1990, data show that birds are beginning their northern migration earlier and earlier each year—particularly birds that migrate over shorter distances. They are having trouble finding their normal food sources at their destination.
I. The amount of heavy downpours has increased 74% in New England from 1958
to 2011.
Answer:
A. X
B. X
C. X
D. X
E. X
F. X
G. X
H. X
I. X
All of these statements can be considered signs of global warming. They provide evidence of changes in the Earth's climate that are consistent with the predictions of climate models and the understanding of the underlying physical processes.
please help me!! slides due tomorrow!!!
Answer:
that b one is nucleus dont know about the a one
PLEASE HELP MEEEE! PLEASEEEEEEEEE
1. In your own words, explain how plate tectonics is responsible for features on the surface of the planet.
2.How did our continents get made?
3.How far can landslides travel?
4.What do landslides often follow?
Answer:
1. relationships between plate motions and surface features
2. material built up along the boundaries of tectonic plates
3. they can travel more the 20 times farther then they fall
4 they follow drought
Please help me this is the last question and I need to get it right please help me.
If John and Sam both push on a boulder with a force of 30N, but in opposite directions, what will happen to the boulder?
Question 4 options:
The boulder moves towards Sam
The boulder moves away from John and Sam
The boulder moves towards John
The boulder will not move.
The boulder will not move, because the net effect of the force is reduced if two people apply the same force to the object, hence option D is correct.
What is the effect of the force?Force is defined as applying strength or energy to applying on the object cause it creates motion. It is not in any object force is applied to the object by another person.
If John and Sam both push on a boulder with a force of 30N, having no effect on the boulder because they are applying the same force boulder but in opposite directions.
If any force is applied to the object but in the opposite direction, the net force is the difference between them, so it reduces the net force.
Therefore, the boulder will not move, due to the net force being reduced if the same force is applied to the object in the opposite direction.
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Characteristics of Cell Division. Highlight the ones for Mitosis. Underline for Meiosis. Highlight/Underline if both Mitosis/Meiosis.
Goes through stages of PMAT (Prophase, Metaphase, Anaphase, Telophase)
Creates 2 Identical Daughter Cells
Has half the amount of chromosomes as parent cell
Produces gametes
Creates 4 Daughter Cells
Used for Growth and Repair
Has same amount of chromosomes as parent cell
Creates Diploid Cells
Creates Haploid Cells
Divides twice
Cytokinesis divides the cytoplasm equally between the new cells
Answer:
jignus
Explanation:
scientific classify of living thing at 8 different levels first Kingdom second class order few lamp pythonia family genus species
Please help me!!!!!!
Answer:
option b is the answer to the question