Answer:A and D
Explanation:
It’s the USA test prep question
The following data indicate that the statement "the medium rabbit leg is stable and evolution is unlikely to happen" is false. Hence, options A and D are the correct options for the statements.
What is the role of natural selection?Natural selection selects organisms that are best suited to their environment, and these individuals multiply to increase their population size. In this case, generation after generation, the population of short-legged rabbits decreased from 23 to 13. This indicates that the small-legged rabbits were eaten by the predators, resulting in a reduction in their number. The number of middle-legged rabbits did not vary much, so they did not gain a selective advantage, but long-legged rabbits easily escaped from predators, and as a result, they rapidly increased in number, and as a result, the small-legged population declined with the increase in long-legged rabbits.
Hence, the medium leg is stable and evolution is unlikely" is false. Hence, options A and D are the correct options for the statements.
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The question is incomplete, the complete question is the below,
Number with short legs (Generation 1 to 6) =23, 22, 20, 18, 15, 13
Number with medium legs (Generation 1 to 6) =97, 98, 95, 97, 96, 97
Number with long legs (Generation 1 to 6) =135, 155, 160, 163, 175, 180
A)The rabbits with medium length legs are the most stable and thus will out survive the others.
B) Medium length legs appears to be neither an advantage or disadvantage in the current environment.
C) The rabbits with longer legs have a selective advantage that allows them to survive and reproduce.
D) It is unlikely that evolution is occurring because none of the traits have
disappeared from the population.
E) A predator is the likely source of natural selection in this population as the rabbits with longer legs are more likely to escape compared with those with the shorter legs.
Organisms may contain up to five levels of organization within their bodies. Which level of organization is best represented by the liver?
tissue
organ
organism
organ system
Answer: The liver best represents an organ.
Explanation:
Liver is the largest organ in the human body. It does multiple functions in the physiological system. The correct option is organ.
What are the levels of organization?1. Cell - Cell is the fundamental unit of life. It is the smallest level of organization.
2. Tissue - tissue is a group of cells that are structurally and functionally similar, for eg. muscle tissue, connective tissue.
3. Organ - an organ is a group of tissues that function in a combined manner, for eg. liver, stomach.
4. Organ system - an organ system is a group of organs that function for a specific physiological purpose, for eg. nervous system, digestive system.
5. Organism - an organism is a whole individual which is made up of the various tissues and organ systems, for eg. human being, animals, plants.
A diagram is attached that illustrates these above mentioned levels of organization
Liver is made up of different types of tissues such as the hepatic laminae, bile canaliculi, hepatic sinusoids, hepatic and portal lobule and the hepatic acinus.
Thus, the correct option is organ.
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What are the important parts of the nervous system
Answer:
Central Nervous System
Spinal Cord
Peripheral Nervous System
Explanation:
The Nervous System has two MAIN parts. The Central Nervous System is made up of the brain and spinal cord.
The Peripheral Nervous System is made up of nerves that branch off from the spinal cord and extend to all parts of the body.
Hopefully, this answers's your question.
What do you think happens to the particles of air inside the ball as it warms in the sun?
There is matter inside the balloon. The mixture of gas present in the balloon is a form of matter which has some kinetic energy which will increase with the increase in temperature.
What is Kinetic energy?Kinetic energy is the energy present inside a body which is in motion. Here, the molecules of gas present inside the balloon possess kinetic energy. The kinetic energy of all the gases is almost similar at a specific temperature regardless of their constituents.
The kinetic energy of gas present inside the balloon increases with the increase in the temperature. When the balloon is kept in the sun, due to the heat of Sun, kinetic energy of gas particles inside the balloon also increases and the balloon expands. This will lead to an increase in the pressure on the walls of the balloon.
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What is the IV ? Independent Variable
Answer:
The variable that does not rely on another variable. IVs can include time, weather, etc.
Explanation:
Using antennae the male moth finds female moths by following a trail of airborne chemicals called pheromones upwind to the female producing them. This is an example of how living things A acquire nutrients B maintain homeostasis C respond to stimulus E. Grow
Answer:
C respond to stimulus ......
Using antennae the male moth finds female moths by following a trail of airborne chemicals called pheromones upwind to the female producing them.
This is an example of how living things how respond to stimulus. Thus option C is correct.
What is pheromone ?pheromone refers to the chemical agents produced by organisms which gives stimulation to other members of the same species.
It is a type of ectohormone secreted outside the body trigger stimulation to other individuals.
Organisms possess chemoreceptor which is other wise called as pheromone receptors detect the presence of the pheromones of other members of the same species.
It can stimulate a number of behavioral responses includes promote their aggregation, give signals for the presence of a predator etc.
It help in Creation of food trails, alert other species about danger, mark territory, identification between mother and offspring.
One of the best studied species is wild Silk moths where the Female moths produce bombykol type of chemical which can be detected by pheromone receptors male moths.
Thus option C is correct.
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During an experiment, a student moves a cell from pure water to salted water. What will most likely happen to the cell?
It will release water and shrivel.
It will release water and burst.
It will take in water and shrivel.
It will take in water and burst.
Answer:
b
Explanation:
Which outcome is a benefit of physical activity?
management of weight
increased risk of stress
increased risk of heart attack
poor self-esteem, affecting mental health
Answer:
management of weight
Explanation:
Answer: A management of weight
Explanation:
What is the end result of meiosis? four identical daughter cells four different daughter cells two identical daughter cells two different daughter cells
Answer:
B. Four Different Daughter Cells
Explanation:
The end result of meiosis results in the production of four genetically different daughter cells.
The result of meiosis is four different daughter cells.
• A kind of cell division, which minimizes the number of chromosomes in the parent cell by half and generates four gamete cells is known as meiosis.
• This process is needed to generate sperm and egg cells for sexual reproduction.
• Meiosis starts with a parent cell, which is diploid, that is, it has two copies of each chromosome.
• The parent cell goes through one round of replication of DNA succeeded by two distinct cycles of nuclear division.
• In the end, four haploid daughter cells are produced, that is, they contain half the number of chromosomes present in the parent cell.
Thus, four different daughter cells are produced at the end of meiosis.
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Suppose a drought kills only the smallest individuals in an initially diverse population of wolves. What type of selection is this?
Gene therapy has been used to treat and cure cystic fibrosis. Cystic fibrosis is caused by a _________ in a single gene?
Answer:
mutation
Explanation:
trust me, i took the test
Gene therapy has been used to treat and cure cystic fibrosis. Cystic fibrosis is caused by a mutation in a single gene.
What are mutations?A mutation is a change in the DNA sequence of an organism. Mutations can result from errors in DNA replication during cell division, exposure to mutagens or a viral infection.
Moreover, hereditary mutations include cystic fibrosis, hemophilia, and sickle cell disease. Other mutations can happen on their own during a person's life. These are called sporadic, spontaneous, or new mutations. They affect only some cells.
Therefore, mutations can result from errors in DNA replication during cell division, exposure to mutagens or a viral infection. Germline mutations (that occur in eggs and sperm) can be passed on to offspring, while somatic mutations (that occur in body cells) are not passed on.
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What are the products of cellular respiration?
Answer:
The products of cellular resperation are 6 carbon dioxide, 6 water, and 38 ATP.
Explanation:
CO2 is made during the kreb cycle.
H2O is made at the end of the electron transport chain.
2 ATP made by glycolysis,2 by the kreb cycle, and 34 by the electron transport chain.
Carbohydrates are found in many foods. What is the end result of the body's use of a
carbohydrate?
А
A carbohydrate is used as it is to build up the body.
B
A carbohydrate is broken into glucose, which makes the body move.
C Carbohydrates are combined to make a large carbohydrate.
D
A carbohydrate is broken into glucose, which is broken into smaller molecules to
release energy
Answer:
D . A carbohydrate is broken into glucose, which is broken into smaller molecules to
release energy
Explanation:
Carbohydrates found in many foods provides energy for the body. It is made up of carbon, hydrogen and oxygen.
Carbohydrates is found in many food substances like cereals. When carbohydrates giant molecules are taken into the body. Metabolic processes reduces them to glucose which is digestible. When glucose is broken down energy is released for work and it is stored in form of ATP in the body.Proteins are used to build the body
Answer:
The answer is D
Explanation:
Explain how osmosis causes a red blood cell to become hypertonic, become hypotonic, or remain isotonic with the blood.
Please answer ;-;
Which two factors are needed to calculate the velocity of an object?
A. Speed
B. Mass
C. Direction
D. Acceleration
Answer:
Required Answer:-To find velocity of a object we need 3 factorsMagnitude speedDistanceHence Here both option A and C are correctAnswer: A and C
Explanation:
got them right on my test
Genes _____.
are carried on chromosomes
are made of DNA
can cause genetic disorders
determine physical and chemical traits
are made of chromosomes
Answer:
Genes are carried on chromosomes
Genes are made of DNA
Genes can cause genetic disorder
Explanation:
TIME REMAINING 01:39:44 Green plants need light in order to survive. Structures in the leaves absorb light, which in turn, helps plants make their own food. Under which color of light will plants be least likely to make food? red blue orange green
Answer: green
Explanation:
Answer:
The answer is B
Explanation:
Because blue light has lower energ and the questions bolds “least likely to cook food” this answer is for edgen 2021 quiz
Find €12 as a percentage of €60.
Find 15 km as a percentage of 120
Answer:
7 percent of 60 and 18 of 120
Explanation:
Answer:
20 percent , 12.5
Explanation:
A ligamentous connection, such as that between the bones of the lower leg, is called a ____________.
a. synchondrosis
b. gomphosis
c. syndesmosis
d. synostosis
e. symphysis
Answer:
A ligamentous connection such as between the bones of the lower leg is called a syndesmosis.
C.
what is the meaning of epiko
Answer:
search it up online i think
Explanation:
Justin is walking around an area that has few trees and many tall grasses,
In which blome is Justin most likely walking?
deciduous forest
grassland
desert
tropical rain forest
Answer:
grassland
Explanation:
decidouos forest and rainforest have lots of trees and little/no tall grass
desert has little/no tree and grass
How do birds and dogs both use DNA as instructions for building their bodies
even though they are very different organisms?
O A. Their DNA has the same nucleotide bases, but in different
patterns.
B. Their DNA has different types of nucleotide bases.
C. Their DNA has different lengths.
D. Their DNA is made of different types of molecules.
Answer:
DNA is language of life, which uses only four letters (=nitrogenous bases). In this language only three-letter words are allowed (=codons)
Which cells come from bone marrow?
Answer:
Bone marrow is the spongy tissue inside bones that produces blood cells. Bone marrow produces red blood cells, platelets, and white blood cells. Lymphocytes are produced in the marrow, and play an important part in the body's immune system.
Explanation:
:D I hope this helps, and please give meh brainiest.
The functions of what cell structure are described in this list? A.) the plasma membrane B.) a lysosome C.) a mitochondrion D.) the endoplasmic reticulum
Answer:
plasma membrane
Molecurlar motion is a measure of the movement of the molecules in a substance for example the molecules in _______ move more than the molecules
The appearance of cuticle and stomata correlated with what event in the evolution of land plants?
Answer: Getting rid of the excessive water through the evaporation.
Ansel was a precocious child who loved nature.
Which word listed below would best replace the underlined word in the sentence above?
a gifted
c. ugly
b. mean
d. happy
Answer:
The word "precocious" means gifted.
Answer:
(A) gifted is the correct answer
Explanation:
The other person answered first give them brainliest
hope it helps :b
Colorblindness results from
Answer:
It is a genetic condition caused by a difference in how one or more of the light-sensitive cells found in the retina of the eye respond to certain colors. These cells, called cones, sense wavelengths of light, and enable the retina to distinguish between colors.
Explanation:
Answer: Mutations in the OPN1LW, OPN1MW, and OPN1SW genes. The proteins produced from these genes play essential roles in color vision. They are found in the retina, which is the light-sensitive tissue at the back of the eye.
What is worm "poop" called?
Answer:
Vermicast.
Explanation:
Vermicast are worm castings, worm manure, or worm faeces.
Answer:
Vermicast.
Explanation:
lol I copied his answer to get points LOL
Why do plants supplies bacteria with amino acids ?
Answer: All living cells need nitrogen to make nucleic acids, proteins, and other cellular constituents. Plants absorb nitrogen and put them into amino acids and proteins. Other organisms consume the plants. As part of the major nutrients in the diet, amino acids should be particularly taken into account since they not only support the growth and survival of bacteria in the GI tract [27], but also regulate energy and protein homeostasis in organisms [28,29].
Hope this helps... stay safe and have a great weekend!!! plz mark me brainliest if i am right!!!! :D
Which statement describes one event that happens at deep-ocean trenches? Crust is formed. Mountains are formed. Seafloor spreading occurs. Denser plates slide under lighter plates.
Answer:
D
Explanation:
I took the test...Good luck!
Answer: d. Denser plates slide under lighter plates