similarities provide evidence for which of the following hypotheses?
Question 6 options:
All mammals have evolved from an ancestor that was a bat.
A cat's leg, a whale's flipper, and a bat's wing have identical functions.
Cats, whales, bats, and humans may have had the same ancestor millions of years ago.
Legs and wings may have evolved from flippers
Answers
Answer:
legs and wings may have evolved from flippers
Legs and wings may have evolved from flippers. Flippers may have evolved into legs and wings. All mammals descended from a bat-like ancestor.
What is homologous structure?The ancestor shared by cats, whales, and bats existed millions of years ago. While birds' wings are used for flight, whales' flippers are utilized for swimming.
Whale flippers and bird wings are both referred to be homologous organs since they both have the same architecture, or skeletal features, but have opposite purposes.
We can see that people, cats, and whales all descended from the same progenitor. We can also show that humans were not among the relatives of whales and cats. The evolutionary trees show how whales descended from land-dwelling mammals in the beginning.
Therefore, option D is correct.
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Related Questions
Attitudes are _____ that guide behavior .
Answers
Answer:
Belief-based feelings is the answer for the blank!
I hope this helps <3
Helpppppppppppppppppp
Answers
Answer:
There is no correlation
Explanation:
37. What is one easy way to help maintain water quality in a watershed?
Answers
2-fix leaks asap
3-don’t pour household chemicals down the drain
hope this helps
During which eon did oxygen begin to build up the most in Earth’s atmosphere? a.)Phanerozoic b.)Proterozoic c.)Hadean d.)Archean
Answers
Answer:
b) Proterozoic eon
Proterozoic builds an oxygen layer in the earth's atmosphere.
What is a Proterozoic zone?The Archean Eon, the oldest of the two Precambrian periods, is older than the Proterozoic Eon. The Paleoproterozoic (2.5 billion to 1.6 billion years ago), and Mesoproterozoic (1.6 billion to 1 billion years ago).
All of the continents' recognized proterozoic rocks are significant sources of metallic ores, including iron, gold, copper, uranium, and nickel. The atmosphere and oceans underwent substantial alteration during the Proterozoic.
The fossilized remains of bacteria, blue-green algae, and the first oxygen-dependent organisms,the the Ediacarana fauna, may all be found in the Proterozoic rocks.
Therefore, Proterozoic builds an oxygen layer in the earth's atmosphere.
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TTT 18. All of the following are chemical approaches to control micro-organism excepts: A. Antibiotics B. Disinfectants 19. The scientific name for modern man is C. Antiseptics D. Autoclaving A. Homo erectus B. Homo sapiens 20. In which of the following kingdoms are prokaryotic organisms placed? A. Fungi B. Protest C. Australopithecus D. None C. Planate D. Monera 21. Plants which have true roots, leaves, stem & seeds inside the fruit are A. Gymnosperm C. Mosses D. Ferns B. Angiosperm 22. Which of the following taxonomic groups contains closely related organisms? A. Genus C. Phylum B. Order D. Class 23. Malaria causing single celled parasitic protozoan is called A. Paramecium B. Salmonella C. Mosquito D. Plasmodium 24. Which one of the following kingdoms is consists of eukaryotic organisms such as yeast moulds and mushrooms? A. Ecosystem B. Population 26. Which of the following organism are consumers? A. Photosynthetic B. Chemosynthetic bacteria C. Green plant D. Scavengers Answer the following questions. C. Kingdom monera D. Kingdom plantae A. Kingdom fungi B. Kingdom protista 25. Ecology is a biological science that deals with all of the following except C. organism D. none
Answers
All of the options are chemical approaches to control micro-organism excepts: B Disinfectants
19. The scientific name for modern man is: B. Homo sapiens
20. kingdoms are prokaryotic organisms placed D. Monera
21. Plants which have true roots, leaves, stem & seeds inside the fruit are: B. Angiosperm
22. taxonomic groups contains closely related organisms A. Genus
23. Malaria causing single-celled parasitic protozoan is called: D. Plasmodium
24. kingdoms consists of eukaryotic organisms such as yeast, molds, and mushrooms A. Kingdom fungi
25. Ecology is a biological science that deals with except: D. none
26. The organism that are consumer is D. Scavengers
What is the chemical approaches to control micro-organismDisinfectants are special chemicals that are used to kill germs or prevent them from growing on surfaces or objects. They are not usually used to control microorganisms within living things, unlike antibiotics, antiseptics, and autoclaving, which are all chemicals used to control microorganisms.
Homo sapiens is the fancy name used by scientists to refer to regular, everyday humans This is the species that humans are a part of.
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18. All of the following are chemical approaches to control micro-organism excepts: A. Antibiotics B. Disinfectants
19. The scientific name for modern man is C. Antiseptics D. Autoclaving A. Homo erectus B. Homo sapiens
20. In which of the following kingdoms are prokaryotic organisms placed? A. Fungi B. Protest C. Australopithecus D. None C. Planate D. Monera
21. Plants which have true roots, leaves, stem & seeds inside the fruit are A. Gymnosperm C. Mosses D. Ferns B. Angiosperm
22. Which of the following taxonomic groups contains closely related organisms? A. Genus C. Phylum B. Order D. Class
23. Malaria causing single celled parasitic protozoan is called A. Paramecium B. Salmonella C. Mosquito D. Plasmodium
24. Which one of the following kingdoms is consists of eukaryotic organisms such as yeast moulds and mushrooms? A. Ecosystem B. Population
25. Ecology is a biological science that deals with all of the following except Answer the following questions. C. Kingdom monera D. Kingdom plantae A. Kingdom fungi B. Kingdom protista C. organism D. none
26. Which of the following organism are consumers? A. Photosynthetic B. Chemosynthetic bacteria C. Green plant D. Scavengers
Mollusks, frogs, sea urchins, and bees can all be classified into which group?
bilateria
protostomes
parazoa
deuterostomes
Answers
What is a fixed allele?
A. An allele present in all members of a population
B. An allele that formed by adaptive radiation
C. An allele that mutates with each generation
D. An allele that is found on many genes
Answers
What does it mean to have a mutation in a cystic fibrosis gene
Answers
Answer:In cystic fibrosis, a defect (mutation) in a gene — the cystic fibrosis transmembrane conductance regulator (CFTR) gene — changes a protein that regulates the movement of salt in and out of cells. The result is thick, sticky mucus in the respiratory, digestive and reproductive systems, as well as increased salt in sweat.
Explanation:
An organism having the genotype AaBbCcDdEe is self-fertilized. Assuming the loci assort independently, determine the following proportions:Part A: gametes that are expected to carry only recessive alleles.Express your answer using three decimal places.Part B: progeny that are expected to have a genotype identical to that of the parent.Express your answer using three decimal places.Part C: progeny that are expected to have a phenotype identical to that of the parent.Express your answer using three decimal places.Part D: gametes that are expected to be abCDE .Part E: progeny that are expected to have the genotype AabbCcDcE_ .Express your answer using three decimal places.
Answers
Part A: The probability of a gamete carrying only recessive alleles is (1/2)^5 = 0.03125. Therefore, the proportion of gametes expected to carry only recessive alleles is 0.031.
Part B: The probability of a progeny having the same genotype as the parent is (1/4)^5 = 0.00098. Therefore, the proportion of progeny expected to have a genotype identical to that of the parent is 0.001.
C: The probability of a progeny having the same phenotype as the parent is (3/4)^5 = 0.2373. Therefore, the proportion of progeny expected to have a phenotype identical to that of the parent is 0.237.
Part D: The probability of a gamete being abCDE is (1/2)^4 * (1/2) = 0.03125. Therefore, the proportion of gametes expected to be abCDE is 0.031.
Part E: The probability of a progeny having the genotype AabbCcDcE_ is (1/2) * (1/4)^4 * (1/2) = 0.00098. Therefore, the proportion of progeny expected to have the genotype AabbCcDcE_ is 0.001.
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following are the types of functions performed by proteins in the human body
Storage
Support
Regulation
Defence
Select the appropriate type of function of proteins for each of the given descriptions
Description Type of Function
1. Recognition of foreign molecules ????
2. Receptors of extracelluar signals ????
Answers
Answer:
1. Recognition of foreign molecules - Defense
2. Receptors of extracellular signals - Regulation
Explanation:
An ___ Is all the interacting abiotic and biotic factors in a particular area
1) community
2)ecosystem
3)Environmental science
4)biosphere
Answers
Answer:
ECOSYSTEM
Explanation:
HOPE IT HELPS(◕ᴗ◕✿)
what is the essence of recognizing the different species of organism in our country 1 paragraph pls
Answers
Answer:
To maintain equilibrium.
Explanation:
The essence of recognizing the different species of organism is very important in our country because we can avoid certain activities that leads to the extinction of that species. Recognizing the nature of a specie is necessary in order to provide good and suitable environmental conditions to the organisms and avoid those activities due to which its growth is negatively affected and leads to removal of that specie from ecosystem so that's we can say that the essence of recognizing the different species of organism is very important to maintain equilibrium in the ecosystem.
Which of the following statements about insulin or it’s effects on the body are true?
Answers
What type of acid is currently of principal concern when dealing with acid rain?
Answers
Answer: Sulfur dioxide (SO2) and nitrogen oxides (NOx) released into the air by fossil-fuel power plants, vehicles and oil refineries are the biggest cause of acid rain today, according to the EPA. Two thirds of sulfur dioxide and one fourth of nitrogen oxide found in the atmosphere come from electric power generators
hope this helps
HELP
The structure of cellulose is shown below. What monomer combines and
forms cellulose?
Answers
That structure is of a carbohydrate.
A carbohydrate consists of CHO(Carbon, Hydrogen, and Oxygen). We can see these noted on the chemical structure in the picture.
Glucose is a monomer of cellulose.
Weight is the force of:
-None of the above
-Gravity pulling a mass down to Earth
-Magnetism pulling you to the center of
Earth
-Friction slowing you down on Earth
Answers
The dog are an example of what type of , because the flea irritates the dogs skin and feeds on it blood
Answers
Answer: parasite
Explanation: I dont know what word was supposed to come after "of", but judging by all the surrounding words, its seems that the answer is parasite. Hope this helps!
What are the characteristic of solute plssss po
Answers
Solute is the substance that dissolves
Solute is a minor componentSolvent is a major componentSolutions is a mixture where the solute is uniformly distributed in the solvent.Solution is homogeneous mixture that contains particles the size of a typical ion or small molecule.The mass of the solute dissolved per unit volume of solvent is called ConcentrationSolubility is The concentration of a saturated solutionSolutes lower the freezing point and raise the boiling point of a solvent.Saturated Solution is a solution in which no more solid can be dissolvedUnsaturated Solution is solution in which more solid can be dissolvedPrecipitate is a solid that crystallizes out of a saturated solution as it is cooled.To know more about solute visit :
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Explain the all-or-none law of action potentials and describe the effect of increased stimulus strength on action potential production. How do the refractory periods affect the frequency of action potential production
Answers
If the stimulus reaches the threshold an action potential will be generated. If the stimulus doesn't reach it no action potential will be generated. If the stimulus will be stronger the action potential will have the same amplitude. The refractory period makes it harder to generate an action potential so they decrease the frequency of action potential production.
Which statement best describes ecological succession?
A. It is always caused by human intervention.
B. It occurs after a disturbance.
C. It never occurs in a predictable pattern.
D. It is a series of rapid changes in an ecosystem.
Answers
Answer:
The statement which best describes about ecological succession is that the one which states that It is a series of 'rapid changes' in an ecosystem.
Ecological succession is caused by human intervention. Therefore, the correct statement is option B.
What is ecological succession?Ecological succession is a natural process that takes place after an ecosystem is disturbed by something like a fire, flood, or human activity. It is an anticipated example of changes in the species synthesis and local area design of an environment over the long haul.
Ecological succession is a process in which the ecosystem's physical and biological characteristics undergo a series of gradual shifts over many years or even centuries.
From the pioneer stage to the climax stage, where the ecosystem reaches a relatively stable state, ecological succession involves a series of stages. Different species of plants and animals replace one another during ecological succession, resulting in shifts in the ecosystem's physical and biological conditions.
Therefore, ecological succession is caused due to human intervention where the ecosystem is disturbed by a fire, flood, or human activity.
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Clues to ecological principles are given in numerous passages of the Bible. A Bible study of ecology actually opens the doors to better understanding of God's love and concern for the earth. Use a concordance to locate Bible passages associated with words concerning our stewardship of the earth. You may use a dictionary to find synonyms for these words: dominion replenish subdue judgment stewardship Find each of the passages using these words related to principles of ecology. List all passages by quote, book, chapter, and verse under each word. Use your own interpretation to rewrite what you think each verse is saying. After your discussion of each of these words, ask one other person to explain his understanding of the word and a related verse without any hints. Summarize what he tells you. A concluding paragraph for each of the words should be written noting similarities and differences between your interpretation and that of each person consulted.
Answers
In this question we used a concordance to locate biblical passages associated with words referring to our stewardship of the earth.
Practical TruthThe heavens are the heavens of the LORD; but the earth he gave to the children of men. (Ps 115:16)
The saved in Christ must have a biblical awareness of their responsibility to the environment.
Our stewardshipGen 2:15 God put man in Eden to tend the garden
Gen 1:26 Man was appointed to “dominate” the Earth
Isaiah 45:18 The earth was formed to be inhabited
Gen 3:17 The Curse of the Earth
Job 24:12 Men “groan” in cities
Rev 11:18 God will bring judgment on those who destroy the earth
With this information, we can conclude that The saved in Christ must have a biblical awareness of their responsibility to the environment.
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About how many unique proteins are in humans?
Answers
Answer:
Between 80,000 and 400,000 proteins.
Explanation:
In humans, up to ten different proteins can be traced to a single gene. Proteome: It is now estimated that the human body contains between 80,000 and 400,000 proteins. However, they aren't all produced by all the body's cells at any given time. Cells have different proteomes depending on their cell type.
Answer
There are 10 different unique proteins
Explanation:
Which of the following is used to represent a dominant trait in a Punnett square?
A- An uppercase letter
B- A lowercase letter
C- A shaded square
D- A shaded circle
(if u answer pls have a explanation thanks :))
Answers
A student was asked to prepare a model of the rock cycle as it moves matter slowly through the Earth. The student creates a model, as shown here. In order to revise the model, how should the lettered components be modified in order to create an accurate model? Select all choices that apply.
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In this model the student shows how the tree types of rocks are created according to different agents acting on them like temperature, pressure, and erosion. A) Letter A should represent igneous rock that is extruded from magma. D) Letter C should represent metamorphic rock which changes composition under heat and pressure. E) Letter B should represent sedimentary rock that is buried by layers of sand and deposited material.
What is the rock cycle?The rock cycle, also known as the lithological cycle, is the geological process through which rocks transform.
During the cycle, rocks suffer transformations that lead them to change from one type to another, turning into igneous, sedimentary, and metamorphic rocks.
The cycle begins when magma rises to the Earth's surface, where it gets cold, solidifies, and turns into igneous rocks.
Igneous rocks can suffer,
Erosion ⇒ erosive agents ⇒ small rocky fragments deposit and compact ⇒ turn into Sedimentary rocks.Change of temperature and pressure ⇒ under several layers under the group ⇒ turn into Metamorphic rocks. Exposure to extreme temperatures and melting ⇒ deeper zones under the crust ⇒ turn into magma again.Sedimentary rocks are composed of rocky sediments from other rocks and the remains of living beings that get stuck within the sedimentary layers.
Sedimentary rocks can suffer the same three types of transformations,
Erosion ⇒ produce new sedimentary rocks. Changes in temperature and pressure ⇒ turn into metamorphic rocks.Melt ⇒ become magma.Finally, metamorphic rocks are produced underground when other rocks suffer changes.
Metamorphic rocks have two destinies,
become sedimentary rocks ⇒ erosion become magma ⇒ meltingThe correct options are,
A) Letter A should represent igneous rock that is extruded from magma.
D) Letter C should represent metamorphic rock which changes composition under heat and pressure.
E) Letter B should represent sedimentary rock that is buried by layers of sand and deposited material.
Note: Since I could not find the image, I will provide the options at the end of the text, and I will attach a model.
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A student was asked to prepare a model of the rock cycle as it moves matter slowly through the Earth.
The student creates a model, as shown here.
In order to revise the model, how should the lettered components be modified in order to create an accurate model?
Select all choices that apply
A) Letter A should represent igneous rock that is extruded from magma,
B) Letters A and B should both be igneous rock, which is found near the
Earth's surface.
C) Letters and B should be sedimentary rock, which is found under layers of other materials
D) Letter C should represent metamorphic rock which changes composition under heat and pressure.
E) Letter B should represent sedimentary rock that is buried by layers of sand and deposited material.
can someone answer this? just click on the picture and look at these two questions please
Answers
Answer: Organisms interact with other organisms for a variety of reasons, including:
To obtain food: Many organisms interact with each other to obtain food. Predators hunt and kill prey, herbivores graze on plants, and scavengers feed on the remains of dead organisms.
To reproduce: Sexual reproduction requires interaction between individuals of the same species. Pollination and fertilization are examples of interactions between plants and animals that result in reproduction.
To defend against predators: Many organisms interact with others to defend themselves against predators. Some animals form herds or groups to confuse predators, while others have developed defensive adaptations such as camouflage or poison.
To facilitate survival: Some organisms interact with others to improve their chances of survival. For example, some birds forage together, which increases their chances of finding food and reduces the risk of predation.
To obtain other resources: Organisms may interact with others to obtain resources other than food, such as water, shelter, or nesting sites.
Explanation:
what is neuroimaging
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Question 17 of 25
A cactus can either have long needles (L) or short needles (1). A cactus
grower crosses two cacti. The cross is shown in the Punnett square below.
LL
LL LL
ULI
What is the phenotype ratio for this cross?
O A. One long, three short
B. Four long, zero short
O C. Two long, two short
O D. Three long, one short
PREVIOUS
Answers
Answer:
The punnet square in this question is unclear. The punnet square has been attached as an image.
Based on the punnet square, the answer is C. Two long, two short
Explanation:
This question involves a single gene coding for needle length in cactus plant. The allele for long needle (L) is dominant over the allele for short needle (l).
According to the question, two cacti were crossed with genotypes Ll and ll respectively. The following allelic combinations of gametes will be produced by each parent
Ll- L and l
ll- l and l
Using these gametes in a punnet square (as seen in the image below), four possible offsprings with genotypes: Ll and ll will be produced in a 1:1 proportion.
Ll offsprings will be phenotypically long-needled while ll offsprings will be phenotypically short-needled. Hence, two long needle offsprings and two short needle offsprings will be produced in this cross.
How does exhaling remove waste from the body? Explain the systems that make this happen, using complete sentences.
Answers
Exhaling removes waste from the body by expelling carbon dioxide through the respiratory system.
Exhaling plays a crucial role in removing waste from the body, particularly in the form of carbon dioxide (CO2), a byproduct of cellular respiration. The respiratory system, composed of the lungs and airways, is primarily responsible for this process.During inhalation, air containing oxygen is drawn into the lungs through the nose or mouth. Oxygen then diffuses across the lung tissue into the bloodstream, where it binds to hemoglobin and is transported to cells throughout the body. In the cells, oxygen is utilized in metabolic processes, generating energy and producing CO2 as a waste product.When we exhale, the diaphragm and intercostal muscles relax, causing the volume of the chest cavity to decrease. This action increases the pressure within the lungs, and air rich in CO2 is expelled from the body through the airways. The CO2 is removed from the bloodstream and eliminated from the body, reducing the waste buildup.Overall, the respiratory system's main function is to facilitate the exchange of gases, allowing oxygen to enter the body and carbon dioxide to be eliminated. Exhalation plays a vital role in removing waste by expelling CO2 and maintaining a balanced gas composition within the body.For more questions on respiratory
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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 picture below shows examples of fossils commonly seen in Big Bend National Park which is is part of the Chihuahuan Desert in West Texas. All three fossils are marine animals.
What does the presence of these fossils suggest about the past climate and area where Big Bend National Park is located?
pls help
Answers
It form an northern extension of Chihuahuan Desert. All three fossils are marine animals.
What is big bend national park?The big bend national park is an extension of southwest texas and includes the entire mountain ranges and a large part of the Chihuahuan Desert this desert is the largest desert of North America and consists of various water sources. Forming a part of the physical feature of Mexico and west Texas.
Chihuahuan Desert this desert is the largest desert of North America and consists of various water sources. Forming a part of the physical feature of Mexico and west Texas.
Therefore, It form an northern extension of Chihuahuan Desert. All three fossils are marine animals.
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