Answer:
Mutations contribute to genetic variation within species. Mutations can also be inherited, particularly if they have a positive effect. For example, the disorder sickle cell anaemia is caused by a mutation in the gene that instructs the building of a protein called hemoglobin.
Explanation:
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What would happen if we continued to overharvest swordfish?
Answer:
Overharvesting fish depletes some species to very low numbers and drives others to extinction. In practical terms, it reduces valuable living resources to such low levels that their exploitation is no longer sustainable.
Overharvesting swordfish could cause their extinction and mess up the food chain, harming (starving) their predators.
Answer:
They'll go extinct
Explanation:
In an ecosystem, what are some living and nonliving things that affect the ecosystem?
Answer:
Abiotic factors refer to non-living physical and chemical elements in the ecosystem. Abiotic resources are usually obtained from the lithosphere, atmosphere, and hydrosphere. Examples of abiotic factors are water, air, soil, sunlight, and minerals. Biotic factors are living or once-living organisms in the ecosystem.
Explanation:
Some examples of important nonliving things in an ecosystem are sunlight, temperature, water, air, wind, rocks, and soil. Living things grow, change, produce waste, reproduce, and die. Some examples of living things are organisms such as plants, animals, fungi, and bacteria.
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Habitat destruction causes issues for many different species because it gives them a smaller area to move around to look for food, shelter, or other resources. Which of the
following would be a possible solution to this problem?
O A Moving all of the animals to one forest away from cities
O
B. Killing all of the animals
O
C. Connecting the forests together
allow animals to move between the forests
O D. Constructing a large wall around the city so the animals and humans are separated
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What is the role of mitosis in asexual reproduction?
The molecule is known as the universal energy source of the cell
Answer:
El ATP es la molécula universal que almacena y distribuye la energía a muchos procesos: fabricación de componentes celulares, transporte, transmisión de señales, etcétera.
Explanation:
Answer: ATP or Adenosine triphosphate
Explanation:
What does uranium do to the environment
The human population
doubles every 36 years. If people currently use
25 percent of Earth's primary production, in
what year might humans use 100 percent?
I need help pleaseeee
Answer:
D
Explanation:
That’s the one that’s most specific. That one tells you about the mosquito it’s self and your part of US not US in general.
Answer: Option D is the answer.
Which of the following do ALL living things need in an ecosystem? select all that apply
matter
sunlight
energy
soil
Answer:
sunlight, energy
Explanation:
i dont really have an explenation
What is the function of the hormone progesterone? preparation of the body for maintaining pregnancy development of male secondary sex characteristics development of female secondary sex characteristics preparation of the fallopian tube for fertilization.
Answer:
A !!!!!!!!!!
Explanation:
Progesterone is a hormone released by the corpus luteum in the ovary. It plays important roles in the menstrual cycle and in maintaining the early stages of pregnancy. It may also be involved in the growth of certain cancers.
The function of hormone progesterone is to prepare the body for maintaining pregnancy.
What is progesterone?It is a steroid hormone involved in the menstrual cycle, pregnancy and embryogenesis of humans and other species.It is released by corpus luteum and prepares the body for conception.Mainly stimulates the uterus for maintaining pregnancy.Also regulates the monthly menstrual cycle.
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In subduction what plate would be on top and what plate would be on the bottom?
Answer:
oceanic plate would slide under the continental plate
Explanation:
continental is on top, oceanic on bottom
Answer:
When an oceanic lithosphere meets a continental lithosphere in a subduction zone, the oceanic plate always goes under the continental plate. This is the rule because the rock making up an oceanic lithosphere is denser than in a continental lithosphere.२०२० मे
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The table below lists the characteristics of genetic material isolated from a bacterium, a plant cell, a virus, and ribosome. Which source is the virus?
A.) #2
B.) #1
C.) #4
D.) #3
Answer:
Option D, Sample 3 is the sample extracted from a virus
Explanation:
Uracil is less expensive as compared to thymine and hence it is found in RNA. Also, RNA virus has RNA or single stranded DNA. The RNA of virus has Uracil instead of thymine in its genetic material
Hence, option D is the correct answer.
Option A is incorrect because sample 2 has two strands while virus has only 1 strand
Option B is incorrect because sample 1 has a circular DNA while virus as linear genetic material
Option C is incorrect because sample 4 has 2 stands while virus has only 1 strand and it also has thymine instead of uracil
Based on the data provided, the source of the virus is #3.
What is the nature of the genetic material of a virus?The genetic material present in a virus can either be DNA or RNA.
The genetic material is single stranded.
For RNA viruses, uracil is found in place of thymine.
From the data provided, there is only one single-stranded genetic material and it has uracil in place of thymine.
Therefore, based on the data provided, the source of the virus is #3.
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Box A and Box B are both set in the sun at the same time and both have an initial temperature of 30 oC. After 30 minutes the final temperature for Box A was 32 oC and the final temperature for Box B was 42 oC. Which box was made of made of a material with a lower specific heat capacity?
Your answer:
Box A since its temperature increases slower
Box B since its temperature increases faster
Both had a the same specific heat
Specific heat has nothing to do with how fast or slow materials heat and cool
Answer:
Its not A
Explanation:
Answer:
It's B, "Box B since its temperature increases faster"
Explanation:
I don't know how to explain this properly but what I try to remember is the lower the Specific Heat Capacity = Better Conductor.
Does myostatin defiency make you grow muscle faster then normal?
Answer:
Deficiency in myostatin resulted in increased muscle mass (1, 6, 15–18), but that this increase was not accompanied by a proportionate increase in force generation.
Explanation:
These findings clearly indicate that the increase in muscle mass of myostatin mutant animals confers no strength advantage over wild-type controls.
Hope this helps!
Can someone help me. Write 4 paragraphs
Answer:
If I had a superpower, it would be that I was fluent in every language. I would use this superpower to do things such as travel, and better understand current events happening around the world.
This superpower would help me, because I'd have the ability to speak to any person, and read any book. I would be able to travel anywhere I want without having to worry about a language barrier. I would also be able to have a better understanding of current and pasts events that have happened in other countries, as I would be able to understand resources that are in other languages.
This superpower would also be beneficial to the public, because I could easily translate between two people. Having a person who is fluent in every language could help improve communication in personal, professional, and government relationships. It could allow for people from many different countries come together and share ideas easily.
I think that having the superpower of being able to speak, read, and write every language would be beneficial to both myself, and the public. It would help me personally, as I wish to travel to many places, and it would help the public because the language barrier negatively impacts people's ability to communicate with those who speak another language.
Explanation:
I hope this helps, have a wonderful day :))
Select the correct location on the image.
Karla list the steps of her scientific analysis in the form of a flow chart. Which step should Karla go back to as a result of her conclusions?
answer is already correctly displayed in the photo
Answer:
1
Explanation:
Hey,Daily Check up are you okay? :)
Answer:
im actually doing really bad but i mean, thats life.. how are you?<3
Explanation:
According to the diagram, during the last 40 million years, the structure of the horse’s foot has
lost its toes _
become smaller
grown toes
remained the same size
Answer:
gotten smaller
Explanation:
Which statement is incorrect about the adult human heart?
Question 28 options:
Blood in the right ventricle is deoxygenated.
Blood in the left ventricle is deoxygenated.
Blood in the pulmonary artery is deoxygenated.
Blood in the pulmonary vein is oxygenated.
Answer not listed
Answer:
B. Blood in the left ventricle is deoxygenated.
Explanation:
Human heart consists of four chambers namely: right atrium, right ventricle, left atrium and left ventricle. These chambers work hand in hand to perform the function of circulating blood throughout the body.
- The RIGHT ATRIUM receives deoxygenated blood from the heart and passes it to the RIGHT VENTRICLE, which pumps it to the lungs in order to be oxygenated.
- The LEFT ATRIUM receives oxygenated blood from the lungs and passes it to the LEFT VENTRICLE, which pumps it into the body.
- Also, the pulmonary artery carries deoxygenated blood into the lungs for oxygenation while the pulmonary veins carry oxygenated blood from the lungs
Based on the above explanation of the right & left atria and the right & left ventricles, it is FALSE that the blood in the left ventricle is deoxygenated. It is rather oxygenated.
Which is the first step in the process during the formation of molded fossils?
Sediment hardens into rock.
O Sediment is eroded from rock.
O Organisms are buried under sediment.
O Organisms' shapes are preserved in rock.
Answer:
HI, there your answer is
Organisms are buried under the sediment.
Explanation:
Hope this helps :)
Why do animals need carbohydrates in their diets?
A) Carbohydrates can be used by the cells in the body for energy.
(В)
Carbohydrates are the building blocks for muscles and tissues.
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Carbohydrates are used in the absorption of water molecules.
D
Carbohydrates provide insulation for organs in the body.
Answer:
A. Carbohydrates can be used by the cells in the body for energy.
Explanation:
Carbohydrates are the basic source of energy for all animals. Animals obtain their carbohydrates from the external environment (compared with plants, which synthesize carbohydrates by photosynthesis). About one-half to two-thirds of the total calories every animal consumes daily are from carbohydrates.
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When we burn fossil fuels, ____________ is released into the atmosphere.
A. water vapor
B. carbon dioxide
C. oxygen
Answer:
B. Carbon Dioxide
Answer:
carbon dioxide
Explanation:
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We have concluded that the spiders have different traits for silk flexibility because the offspring inherited different combinations of gene versions from their parents.
The evidence supports this claim because . . .
The is concluded that spider silk flexibility varies because their offspring inherited different combinations of gene versions from their parents, demonstrating that spider silk quality is dependent on the gene present in it.
What is the significance of the spider's silk?The quality of the spider silk is genetic, and due to this, some of the spiders do produce high-quality silk while others produce average or poor-quality silk, but the silk has many applications in various fields, such as biomedical fields such as in tissue engineering, drug delivery, and wound healing, due to its biocompatible, non-toxic properties.
Hence, it is concluded that spider silk flexibility varies because their offspring inherited different combinations of gene versions from their parents, demonstrating that spider silk quality is dependent on the gene present in it.
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Select the correct answer.
Which of these is an example of selective breeding?
A.
A scientist places bacteria in a Petri dish treated with antibiotics and observes what happens to the population over time.
B.
A farmer plants tomato seeds that have been genetically modified to be pest resistant in his garden.
C.
A farmer only allows trees that produce tart apples to reproduce until he has a population that only produces tart apples.
D.
A scientist uses the genetic material from a unicellular organism to create an exact copy of that organism.
Answer:
the answer is C
Explanation:
Seletive breeding means only nuture one specific kind of species. In answer C, the farmer only allows trees produce tart apples to reproduce, so the answer is C.
Hope this will help❤️
John, who is 15, is trying to figure out what type of person he wants to be. He
is most likely in the stage.
A. integrity versus despair
B. intimacy versus isolation
C. trust versus mistrust
D. identity versus role confusion
What kinds of organisms can carry out photosynthesis?
Answer:
Plants, algae, and a group of bacteria called cyanobacteria are the only organisms capable of performing photosynthesis.
Explanation:
Which of the following does not maintain biodiversity?
A. growing a variety of plants on a farm
B. protecting all the species in an ecosystem
C. protecting the habitats in an ecosystem
D. removing an important predator from the ecosystem
Answer:
D
Explanation:
when you remove some things on a ecosystem the ecosystem will decrease
According to Newton's Second Law of Motion, a bigger axe would have _______ force than a smaller axe if they were going the same rate.
1. more
2. less
Answer:
1. more force than a smaller
If the ocean current starts near the equator, can it warm up the air of any location it passes? *
Yes
No
Answer:
NO
Explanation:
Areas near the equator receive more direct solar radiation than areas near the poles. However, these areas do not constantly get warmer and warmer, because the ocean currents and winds transport the heat from the lower latitudes near the equator to higher latitudes near the poles