Biology High School

help me pls ASAP it's need​

Help Me Pls ASAP It's Need

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Answer 1

Answer:

4. true 5. true 6. false 7. A

Related Questions

Is born as a twin consider as disorder?

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[tex]Hiya![/tex]

Sokka is here to help!!

I don't believe so, because I have twin sister and usually the time not everybody gets twins. I'm not saying that it isn't rare. I'm just saying your lucky if you have twins. Also, it can be from genesis if you have twins.

Hopefully, this helps you!!

[tex]Sokka[/tex]

what part does chlorophyll play in photosynthesis?

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Answer:

Explanation:

Chlorophyll's job in a plant is to absorb light—usually sunlight. The energy absorbed from light is transferred to two kinds of energy-storing molecules. Through photosynthesis, the plant uses the stored energy to convert carbon dioxide (absorbed from the air) and water into glucose, a type of sugar

the principal gas in the biogas produced in a landfill is

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Answer:

Biogas is composed mostly of methane (CH4), the same compound in natural gas, and carbon dioxide (CO2).

Explanation:

Which is a function of melosis?

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Answer:

Meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells. This process is required to produce egg and sperm cells for sexual reproduction

Explanation:

yeah <3

The illustration below represents____,
which is responsible for genetic diversity.

Answers

Answer: Crossing over

Explanation: This is what a crossing over gene looks like it starts together and separates here is evidence below ⬇️

The illustration below represents the crossing over stage in meiotic cell division which is responsible for the genetic diversity in organisms. Thus, the correct option is B.

What is Crossing over?

Meiosis is the type of cell division during which the chromosome number in the daughter cells become half of that present in the parent cells from which they are produced. From one parent cell four daughter cells are formed in meiosis.

Chromosomes forms the chromatids in the cell which form tetravalent with the non-sister chromatids of the homologous chromosomes. This stage is called crossing over where the genetic material present in each of the chromatids are exchanged which results into genetic diversity in a species. After the crossing over stage, the chromatids separate from each other and goes to different daughter cells.

Therefore, the correct option is B.

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When was a control used in the investigation of the amphipods and sea butterflies? Why was a control necessary?​

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pteropods or sea snails, also called sea angels, produce chemical deterrents to ward off predators, and some species of amphipods take advantage of this by carrying pteropods piggyback to gain protection from their voracious predators.

Why was progress in science interrupted during the dark ages? The Roman Empire fell in the 5th century thus advancements in science came to a halt. As science halted in Europe, where else did it advance? Science advanced in other areas of the world like China, Polynesia, and Arab nations.

Which of the following is an inherited trait

A. Having freckles
C. Being a good reader
C. Having a tattoo
D. Being a good dancer

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The correct answer is A

what type of light (energy) does each light start out as?

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The conversion of light energy into chemical energy is dependent on the substance chlorophyll

what process can lead to an individual having too many or two few chromosomes?

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The process which can lead to an individual having too many or two few

chromosome is as a result of mutation which occurs during meiosis.

Meiosis is the type of cell division which occurs in reproduction and the

production of sex cells such as sperm and egg. This process results in the

production of four unique daughter cells.

The homologous chromosomes not being properly distributed in the

process could lead to such types of error.

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2. What substances travel in the Xylem of flowering plants?
​

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Water and mineral salts

Answer:

I think water is the substances

What protein facilitates transmission of nerve signals between neurons?

a. neurotransmitters
b. interneurons
c. axons
d. myelin

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I think neurotransmitters

What kind of selection occurs in many birds when males that build strong nests and help care for young are chosen by females and mates

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ANSWER: This process is known as sexual selection.

which microscope would be best to look at the wings of two different butterflies to determine which is a monarch butterfly and which is a viceroy butterfly?

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SEM microscope should be

To determine the difference between a monarch butterfly and a viceroy butterfly, it would be best to use a microscope that has high magnification and resolution, such as a compound light microscope or an electron microscope.

What is a microscope?

A microscope is an optical instrument that is used to magnify small objects or details, such as cells or tissues, so that they can be studied or observed more closely. There are various types of microscopes available, including compound light microscopes, scanning electron microscopes, and transmission electron microscopes, which use different principles to produce magnified images of the objects being examined.

A compound light microscope would allow you to see the structures of the wings in detail, while an electron microscope would provide even higher resolution images, but would require the wings to be coated in a thin layer of gold or other metal in order to be viewed. Both of these types of microscopes would allow you to see the fine details of the wings and compare them to determine which is a monarch butterfly and which is a viceroy butterfly.

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chemicals in the body that transmit nerve impulses are:

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they are called neurotransmitters

How is the flow of energy within food webs interconnected with the cycling of
matter?

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Answer:

Dead producers and consumers and their waste products provide matter and energy to decomposers. Decomposers transform matter back into inorganic forms that can be recycled within the ecosystem. So, the energy that enters an ecosystem as sunlight eventually flows out of the ecosystem in the form of heat.

2. What are the two major subdivisions of the nervous system, and what does each division do?

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Answer:

2 Major Subdivisions:

Central Nervous System

Peripheral Nervous System

Explanation:

The central nervous system (CNS) regulates the majority of bodily and mental activities. It is divided into two parts: the brain and the spinal cord. The brain is the core of our ideas, the translator of our surroundings, and the source of control over physical action.

The PNS is the nerve that links the CNS to the rest of the body. The peripheral nervous system's principal job is to link the brain and spinal cord to the rest of the body and the outside world. The peripheral nervous system sends and receives information to and from the central nervous system. This is done by neurons that convey information from sensory receptors in the eyes, ears, skin, nose, and tongue, as well as stretch receptors and nociceptors in muscles, glands, and other internal organs.

what is the main product or purpose of photosynthesis?

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Answer:

Plants are autotrophs, which means they produce their own food. They use the process of photosynthesis to transform water, sunlight, and carbon dioxide into oxygen, and simple sugars that the plant uses as fuel. These primary producers form the base of an ecosystem and fuel the next trophic levels.

Hope that helps. x

What do I do when this happen???

Answers

you have to click retry
and talk to your teacher if it doesn’t work.

what are regenerative cells ???​

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Regenerative cells are specific types of cells that can be activated in order to restore organs and tissues back to a pre-existing normal state.

Stem cells are specific cells capable of generating new specialized types of cells, thereby allowing the regeneration of damaged tissues.

For example, hematopoietic stem cells can be used to generate new red blood cells whose function is to transport oxygen in the bloodstream.

Regenerative cells can be used in tissue engineering in order to restore the function and structure of damaged organs.

In conclusion, regenerative cells are specific types of cells that can be activated in order to restore organs and tissues back to a pre-existing normal state.

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Chen draws a diagram to show water changing from a liquid to water vapor. Complete the sentences. _______All the water molecules in the liquid are moving. ________ Some of the molecules have more .________ These molecules move enough to escape the surface of the liquid. This is called . ________ This makes the liquid become

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kinetic energy is needed by the molecules in order to escape from the surface.

All the water molecules in the liquid are moving randomly due to the presence of some energy in it. Some of the molecules have more kinetic energy due to absorption of heat energy from the surrounding environment.

Due to high kinetic energy, these molecules move enough to escape the surface of the liquid. This is called boiling point. This makes the liquid become gas so we can conclude that kinetic energy is needed by the molecules in order to escape from the surface.

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which means of particle transport requires energy from the cell

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Answer:

Active transport requires energy input from the cell.

consuming ____________will help supply the phytochemicals that enhance the repair process when dna has been damaged.

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Consuming fruits and vegetables will help supply the phytochemicals that

enhance the repair process when DNA has been damaged.

Phytochemicals such as flavonoids are produced by plants and they acts as

antioxidants in elimination of free radicals and in the repair process when

DNA has been damaged.

Fruits and vegetables are the primary sources of flavonoids which aids

DNA repair which is why it's the most appropriate option.

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match the definitions to the appropriate terms that describe the number of chromosomes.

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No picture shown in the question 1:

the organ that provides mechanical protection and nutritional support for the developing embryo is the

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Answer:

uterus

Explanation:

Do you think their ideas are enough to describe who a human person is? do you think there are other ways to describe the human person?​

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Answer: yes

Explanation: a person  has a meaning, a meaning to live a reason

Summary about DNA , Genes , Traits , Chromosomes. (Explain & let me know about all 4 words. Summarize all these words.) Write about how all 4 things work together.

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Answer:

Genes are segments of DNA that contain the code for a specific protein that functions in one or more types of cells in the body. Chromosomes are structures within cells that contain a person's genes. Genes are contained in chromosomes, which are in the cell nucleus. And a trait is a gene-determined characteristic.

During primary succession, an ecosystem cannot 're-build' with large trees and bushes. Explain.

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I believe they cannot start with big trees and bushes because the there is not enough nutrients in the soil, so instead pioneer species pave the way for primary succession.

the 5 physical factors that scientists use to develop ocean and seafloor
zones are
1
2
3
4
5

Answers

Answer:

1. Light penetration

2. Distance from shore

3. Depth of water

4. Temperature

5. Amount of nutrients/salt

Explanation:

Oceanographers use various methods to determine vertical and horizontal zones in the ocean. First and foremost are the distance from the land and the depth of the water. These contribute to the other factors, such as temperature and light penetration. They also measure how much salt or nutrients are available at that zone, which plays a role in how much life is discovered in the location.

The photic and mesopelagic zones are mainly grouped by light penetration, while mesopelagic, abyssopelagic, hadalpelagic, benthic, and bathyal zone are categorized by depth and temperature. When looking at the pelagic zone, the neritic and the oceanic sections are differentiated by the distance from the land.

1) The by-products of cellular respiration include
A) energy and oxygen
B) glucose and oxygen.
C)carbon dioxide and water.
D) glucose and carbon dioxide.

Answers

water and carbon dioxide

Gel electrophoresis allows molecules to migrate along the gel at different rates by using:

Answers

Answer:

Agarose gel or Pores in the gel

Explanation:

This question could have multiple answers because the gel has pores in it that allow smaller fragments of DNA to move faster through the pores because they're not getting stuck in the gel. Larger fragments of DNA get stuck in the gel as they try to fit through the large pores.

So, you could either say the agarose gel itslef or you could say the pores in the agarose gel allow the molecules to move at different rates.

Answer:

electrical fields

Explanation:

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