BIOLOGY HIGH SCHOOL

The xylem in the bein of leaf takes carbohydrates produced

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Answer 1
Answer:

Answer:

to distribute it to different part of plant.
Answer 2
Answer:

the answer is a

Explanation:

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Pamela has started to take antibiotics, which kills most of the helpful and harmful bacteria in her body. Her doctor suggested she eat yogurt containing helpful bacteria to reestablish the bacteria in her digestive tract. Why is this important?1. Bacteria are important to fight off diseases and infections.
2. Bacteria that live in the large intestine provide some vitamins to people.
3. Bacteria break food down into chyme, which is then digested.
4. Bacteria aid in the reabsorption of water in the large intestine.

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Answer:

a

Explanation:

Answer:

A.

Explanation:

some bacteria help fight off disease.

A well-tested explanation for a set of observations or experimental results is aa. law.
b. rule.
c. theory.
d. hypothesis.

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A well-tested explanation for a set of observations or experimental results is a theory. When we're talking about theories, we're talking about a set of hypothesis about a certain topic which have been shown to work and be correct but aren't completely proven up to the point where we could say they always hold true. 

c. a theory...........

A(n) ____________ is recognized by lymphocytes to be foreign and causes an immune response.

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An antigen is recognized by lymphocytes to be foreign and causes an immune response. It is important to know about the immune system of the body as well. The immune system is the system that recognizes and defends itself against any viruses, bacteria or any other harmful foreign bodies. 

Answer: I’m not to sure but possibly T-cell

Explanation:

In grafting, the plant with the root system is called the scion rootstock cutting, and the portion of the plant with the buds is called the rootstock scion cutting.

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In grafting, the plant with desired root system is called the rootstock, and the portion of the plant with the buds is called the scion.

The grafting is a horticultural technique in which parts from two or more plants are joined together to grow as a one single plant.
Rootstock is the plant selected for its roots because it can provide different properties, such as fruit size, or because it is resistant to drought or diseases. 
Scion is the plant selected for its leaves, flowers, fruits or stems.

How can two species share the same habitat without driving the other to extinction?

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it is not possible for two species with the same niche to coexist. one species will eventually drive the other into extinction

What are two methods of active transport ?

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The first one is that transport proteins in the cell membrane ' Pick up ' molecules from outsides the cell and carry them in , while using energy in the process


The second method is that the the cell membrane surrounds a particle and takes it in


I hope that's help !
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