An early selective advantage of a coelom in animals was that it:.
Answers
An early selective advantage of a coelom in animals was that it allowed for the development of more complex and efficient organ systems.
The coelom, also known as the body cavity, is a fluid-filled space that is found between the body wall and the digestive tract of many animals. The development of a coelom allowed for the specialization and separation of different organ systems, as well as the formation of more complex structures such as muscles and bones.
In addition to allowing for the development of more complex and efficient organ systems, the coelom also provided other selective advantages to animals. For example, the fluid-filled cavity acted as a hydrostatic skeleton, allowing for greater support and flexibility in movement. The coelom also provided a protective space for internal organs, shielding them from injury and damage.
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Related Questions
what cactus genus famously blooms at night?
Answers
The cactus genus which is famous to bloom at night is Epiphyllum, with the common name "climbing cacti", "orchid cacti" or "epis".
This genus is an ornamental plant that is native to Central and South America. Flowers of Epiphyllum are large, of vibrant colors with unique shapes and strong fragrances adored by botanists. Blooming in them happens later after sunset till dusk. Thus, their pollination is entomophilous which is done by insets. Pollinators are nocturnal animals, birds, and insects like bats, and moths. this nocturnal pollination supports their unique blooming by keeping consistency with the reproduction. their artificial hybrids are also present in the tribe of Hylocereeae.
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What would too closely related organisms have
A. No proteins in common
B. Very similar DNA
sequences
C. Exactly the same DNA sequences
D. Completely different DNA sequences
Answers
exactly the same would mean they are exact copies of each other (unless you’re a twin that doesn’t happen)
completely different would be like comparing a human to a fish.
and the proteins have nothing to do with it :)
The Earth's core has an estimated temperature between
6,000°C and 7,000°C.
1,000°C and 2,000°C.
500°C and 1,000°C.
8,000°C and 9,000°C.
Answers
developmental morphogenesis of the human respiratory system can be categorized into how many stages?
Answers
The developmental morphogenesis of the human respiratory system can be categorized into three stages.
Embryonic Stage: This is the initial stage of respiratory system development and begins during embryogenesis. During this stage, the respiratory diverticulum (lung bud) emerges from the foregut, which eventually gives rise to the trachea and the primary bronchi.
Pseudoglandular Stage: Following the embryonic stage, the respiratory system enters the pseudoglandular stage. This stage occurs during the first 7 to 16 weeks of gestation. During this stage, the conducting airways, including the bronchi, bronchioles, and terminal bronchioles, develop and extensively branch out, resembling a gland-like structure.
Canalicular and Alveolar Stage: The third stage encompasses the canalicular and alveolar stages, which occur approximately between 16 weeks to birth. During the canalicular stage, the terminal bronchioles continue to divide, forming respiratory bronchioles. Blood vessels also develop and grow in proximity to the bronchioles. In the alveolar stage, the respiratory bronchioles further subdivide into alveolar ducts and sacs, leading to the formation of millions of tiny air sacs called alveoli. This stage is critical for gas exchange and occurs predominantly during the late fetal period.
These three stages represent the major milestones in the developmental morphogenesis of the human respiratory system, with each stage characterized by distinct structural and functional changes.
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Which of the following describes research that would be considered basic science?
Answers
Answer: D
Explanation:
how did Kettlewell directly studied the moths.
Answers
Answer:Dr. Kettlewell placed light and dark moths on the trunks of trees where he could observe them. He recorded the times a bird found the moth. ... This supported the idea that dark moths had a survival advantage in a dark forest.
Explanation:
i have read about it and did some research on him. this is correct
To directly study the moths, Kettlewell employed a technique called mark and recapture.
He conducted direct studies on moths to investigate the phenomenon of industrial melanism. Industrial melanism refers to the evolutionary adaptation of organisms, specifically the change in coloration, in response to environmental pollution, such as industrial soot.
He released marked moths of both forms into the wild and then recaptured them later to determine their survival rates. By comparing the proportion of marked moths that were recaptured in polluted and unpolluted areas, he was able to draw conclusions about the moths' adaptation and natural selection.
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because enzymes are proteins, they can be destroyed by heat. if the beef or chicken liver were boiled for 5 minutes before placing it in the test tubes, what may have been the result?
Answers
✓ the enzyme may have been denatured causing no reaction to occur, meaning the hydrogen peroxide would not bubble when added to the test tube with the beef.
Where do plants get the energy for photosynthesis
to take place?
Answers
The sun gives the plants nutrition, which then allows for them to photosynthesize.
Answer:
The sun.
Explanation:
During the process of photosynthesis, cells use carbon dioxide and energy from the sun to make sugar molecules and oxygen. I hope this helped!!!
what is photosynthesis?????
Answers
The chemical reaction is given by
\(\\ \sf\longmapsto CO_2+H_2O\overset{\sf Sunlight}{\longrightarrow}C_6H_{12}O_6\)
Which describes an interaction between the golgi apparatus and another organelle to maintain a cell's homeostasis?
Answers
Communication between the Golgi apparatus and the endoplasmic reticulum (ER) is an important link between the Golgi system and another organelle involved in maintaining cell homeostasis.
Vesicle-like features enable this interaction. Proteins and lipids produced in the ER are taken up by the Golgi apparatus, where they are further modified before being distributed to various parts of the cell. Vesicles, which are small membrane-bound structures, move from the ER to the Golgi apparatus during this process. Newly formed molecules are transported by vesicles from the ER to the Golgi apparatus, where they are processed, sorted, and packaged. Through this interaction, the cell is able to maintain the correct balance of proteins and lipids and control how they are distributed throughout the cell.
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Why don't all organisms look
alike?
A. The materials used to build organisms are
different from one species to the next.
B. Organisms live in different environments.
C. Mutations make all organisms different from
one species to the next.
Answers
Answer:
the correct answer is A please mark me the brainliest
HELLLPPP PLZZZZ
Worker hours to produce one unit of natural gas Worker hours to produce one unit of oil
Brazil
4
8
Argentina
2
10
Mexico
3
8
United States
1
6
According to the chart, which country has the comparative advantage in oil production? (5 points)
Group of answer choices
Mexico
Brazil
United States
Argentina
Answers
Answer:
Correct Answer is Brazil
Explanation:
Took the test and got full marks
State the affect of increasing the percent of salt in the solution used to water the plants on the average final height of the plants in group a through D
Answers
Explanation:
it will harm the nature
........
How does natural selection lead to the development of antibiotic-resistant bacteria?
Answers
Answer:
antibiotic resistant is a consequence of evolution via natural selection. the antibiotic action is an environmental pressure;those bacteria which have a mutation allowing them to survive will live on to reproduce
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The ____________ ramus is the smaller of the two main branches. It innervates the ____________ and the skin of the back. The ____________ ramus is the larger of the two main branches. This splits into multiple other branches, which innervate the ____________ , the upper limbs, and the lower limbs. Many of the anterior rami go on to form ____________ .
Answers
Answer:
The posterior ramus is the smaller of the two main branches and innervates the deep muscles of the back and the skin of the back. The anterior ramus is the larger of the two main branches and innervates the anterior and lateral portions of the trunk and the upper and lower limbs.
Explanation:
The posterior ramus is the smaller of the two main branches and innervates the deep muscles of the back and the skin of the back. The anterior ramus is the larger of the two main branches and innervates the anterior and lateral portions of the trunk and the upper and lower limbs.
What is the brachial plexus?It is responsible for providing the motor (muscle), sensory and sympathetic innervation of the upper limb. Through it, the spinal cord is connected with all the peripheral nerves of the upper limbs and all the sensorimotor information of these segments is also transmitted.
We can conclude that the brachial plexus is a nerve network located at the base of the neck and the axillary fossa associated with sensory and motor innervation for the entire upper limb.
Therefore, The posterior ramus is the smaller of the two main branches and innervates the deep muscles of the back and the skin of the back. The anterior ramus is the larger of the two main branches and innervates the anterior and lateral portions of the trunk and the upper and lower limbs.
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Which statement below correctly compares prokaryotic and eukaryotic cells? Prokaryotic cells are larger in size than eukaryotic cells. Prokaryotic cells are single-celled and have cell walls, but eukaryotic cells are multicellular but don't have cell walls, Both prokaryotic and eukaryotic cells have membrane-bound organelle such as nuclei and mitochondria. Both prokaryotic and eukaryotic cells have cell membranes and DNA or RNA. Prokaryotic cells can tolerate high pH environments better than eukaryotic cells. Which of the following is true about DNA replication and PCR? Both DNA replication and PCR need primase to synthesis primers. DNA replication uses DNA primers, and PCR uses RNA primers DNA replication uses helicase and topolsomerase for unwinding and initiation, and PCR uses temperature at es °C to denature separate double-stranded DNA DNA replication involves DNA polymerase I ll and II, and PCR only used Taq polymerase PCR requires ligase to seal together DNA fragments during termination step
Answers
Prokaryotic cells are cells that lack a nucleus and other membrane-bound organelles. They are less complex than eukaryotic cells and are typically smaller. Prokaryotic cells are single-celled and do not have a nucleus, whereas eukaryotic cells are multi-cellular and contain a nucleus and other membrane-bound organelles, such as mitochondria.
Eukaryotic cells are cells that contain a nucleus and other membrane-bound organelles. They are usually larger than prokaryotic cells. Eukaryotic cells are divided into two main categories: plant cells and animal cells. They have a nucleus that contains DNA and other organelles like mitochondria, lysosomes, ribosomes, and the endoplasmic reticulum.
DNA replication is the process of creating a copy of DNA. It is an essential process that occurs in all living organisms. The process of DNA replication involves the separation of the two DNA strands, the building of a new DNA strand from the template strand, and the formation of two new DNA molecules that are identical to the original.
PCR (polymerase chain reaction) is a method of replicating DNA. It is a laboratory technique used to amplify DNA fragments by generating multiple copies of a specific DNA sequence. PCR is widely used in molecular biology to study DNA, diagnose genetic diseases, and identify pathogens. PCR involves denaturation, annealing, and extension, where the DNA is melted, primers are annealed, and the Taq polymerase extends the DNA.
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EASY POINTS!!
I need to draw a lion with wings but I need a name..
(invented please)
Answers
Answer:
Flying lion
Explanation:
I hope u like it
Linoxis? Just a thought
Which of the following statements best describes the resting membrane state in the neuron?AOnly the voltage-gated K+ are closed.BAll of the voltage-gated Na+ and K+ channels are closed.COnly the voltage-gated K+ channels are open.DOnly the voltage-gated Na+ channels are closed.EOnly the voltage-gated Na+ channels are open.
Answers
The membrane condition in the neuron's resting state is best described by the statement that only the amperage Na+ channels are open.
A neuron's resting membrane potential is approximately -70 mV (mV is millivolts); hence, the interior of the neuron is 70 mV negative of the exterior. The resting potential (current from across membrane) of the a normal neuron is between 60 and 70 millivolts. Regarding the resting potential, the statement d is accurate. The resting membrane potential of a normal neuron is about -70 mV.The sodium-potassium pump as well as the potassium and sodium leak channels are the two types of ion channels that keep resting membrane potentials stable.
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according to the fluid mosaic model,plasma membrane are mainly composed of phospholipids and proteins.Explain how structures S and T play the roles in the plasma membrane,which function as a selective barrier. please help me with this question
Answers
Answer:
The plasma membrane is a thin layer of lipid molecules that surrounds the cell and separates the inside from the outside. The fluid mosaic model describes the structure of the plasma membrane as a two-layered structure of phospholipids with embedded proteins. This model explains how the structure of the plasma membrane allows it to act as a selective barrier, regulating the movement of substances in and out of the cell.
Structure S in the plasma membrane is represented by the phospholipids, which form a lipid bilayer with hydrophilic heads facing outwards and hydrophobic tails facing inwards. The hydrophilic heads are in contact with the extracellular fluid and intracellular fluid while the hydrophobic tails are in the middle of the membrane. The phospholipid bilayer provides a barrier that separates the inside and outside of the cell, restricting the movement of hydrophilic and large molecules through the membrane while allowing the passage of small and hydrophobic molecules.
Structure T represents the integral membrane proteins that are embedded in the lipid bilayer. These proteins have different functions, such as transport of molecules, cell signaling, and catalyzing chemical reactions. The proteins also contribute to the selective permeability of the membrane by regulating the movement of specific molecules in and out of the cell. For example, channels and carrier proteins regulate the movement of ions and larger molecules through the membrane while receptor proteins receive signals from the outside of the cell and relay them to the inside of the cell.
In summary, the plasma membrane is mainly composed of phospholipids and proteins according to the fluid mosaic model. The phospholipids form a lipid bilayer that acts as a barrier, while the proteins embedded in the bilayer regulate the selective permeability of the membrane by facilitating the movement of specific molecules in and out of the cell.
Explanation:
.
What is the best way to classify a Goliath bird-eating spider?
omnivore
carnivore
herbivore
Answers
A Fat is composed of_______
A. Three fatty acids and one Glycerol, and makes up insulation for the cell.
B. Three fatty acids and glycogen, and makes up the middle layer of the cell membrane
C. Glucose units, and is used to store energy
D. Steroid rings which make up many hormones
E. Three fatty acids and glycogen, and makes up the membranes of the mitochondria.
Answers
Movement of large particles such as
Answers
Answer:Endocytosis
Explanation:is a kind of active transport which transfers inside a cell particles like big molecules, cell components and even complete cells. Although endocytosis has several variants, they have a similar feature: the plasma cell membrane invaginates, producing a pocket around the target particle.
What is NOT a part of Translation
Answers
Explanation: this is because mRNA is made from DNA, and mRNA is used in translation in the cytoplasm.
Organ (body) system: A group of organs that work together to perform one or more functions * True False
Answers
Answer:
That is true
Explanation:
Group of cells - Tissue (e.g. epithelial
Group of tissue - Organs (e.g. Stomach)
Group of organs - Organ system (e.g. Circulatory system)
Group of organ systems - Organism (e.g. Human - You =)
Thats a smiley face.
Brainliest?? Please??
Lymph vessels have pumps that prevent lymph from flowing backward.
O True
O False
Answers
name the three auxiliary female reproductive organs
Answers
Answer:
The female reproductive system includes the ovaries, Fallopian tubes, uterus, vagina, accessory glands, and external genital organs.
Why did the travel agent tell the producer of the video to plant a certain number of trees when he
booked a flight? In your answer, explain how trees affect the carbon cycle
Answers
Answer:
The producer booked a ticket on an airplane. When he flies, the plane will add a certain amount of CO2 to the atmosphere. One way to remove CO2 is by planting trees. We know that trees take in CO2 from the atmosphere during photosynthesis. The producer can help keep his travel plan carbon neutral by planting a related number of trees. The trees offset the carbon released into the atmosphere by the airplane.
Explanation:
I took this from the real answer on Edmentum.
Answer:
The producer booked a ticket on an airplane. When he flies, the plane will add a certain amount of CO2 to the atmosphere. One way to remove CO2 is by planting trees. We know that trees take in CO2 from the atmosphere during photosynthesis. The producer can help keep his travel plan carbon neutral by planting a related number of trees. The trees offset the carbon released into the atmosphere by the airplane.
Explanation:PLATO
On May 18, 1980, Mount St. Helens in Washington State experienced a huge volcanic eruption after a magnitude 5.1 earthquake. During the eruption, hot ash and pumice poured down the west, south, and east sides of the mountain, melting the snow and ice at the top of the volcano and producing volcanic mudflows. Which type of process first occurred in the ecosystem around Mount St. Helens after it erupted?
Answers
Answer:
primary succession
Explanation:
Primary succession starts in regions where there is no soil or where the soil is incapable of sustaining life due to any recent lava flows or newly formed sand dunes. Primary succession may lead to the formation of islands on land formed from glacial retreats or on new volcanic rock.
Primary succession occurred in the ecosystem around Mount St. Helens after the volcano erupted.
Answer:
Primary Succesian
Explanation:
Over a thousand feet of the top of the mountain was obliterated, causing darkness during the day for towns up to 85 miles away, mudslides and large ask deposits, loss of life to humans and anima
During which phase of meiosis do the sister chromatids line up across from each other in the center of the cell?.
Answers
Answer:
Metaphase
Explanation:
During metaphase, each of the 46 chromosomes line up along the center of the cell at the metaphase plate.
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Describe the connection between limiting factors and invasive species
Answers
Answer:
Invasive species consume limited resources and become competitor of native species in a given ecosystem
Explanation:
Invasive species are the outsider species introduced in any given ecosystem. These invasive species become a competitor with the native species of that ecosystem for limited resources and hence deplete the limited resources at a faster pace thereby leaving all other species at the risk of dying.