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Margarita [4]
3 years ago
11

Please help me!!! It's my mid-term exam

Biology
1 answer:
viktelen [127]3 years ago
5 0
  • carbondioxide diffuse into cell and oxygen diffuses out
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Bacteria are important in the nitrogen cycle because they
weqwewe [10]
Answer:

The fix nitrogen into free nitrogen which is a usable form. They also bring nitrogen back into the system by decomposing dead organisms.




Answer 2. 

Because, they are known as nitrogen fixing bacteria. These organisms convert nitrogen in the soil to ammonia, which can then be taken up by plants. After nitrogen has been fixed, other bacteria convert it into nitrate, in a process known as nitrification.


Both answer is correct choose the best choice for you.
Hope this helps!
3 0
3 years ago
Explain what would occur between Oceanic crust and continental crust at the subduction plate boundary. (O.C. =more dense)
Reika [66]

Answer:

Oceanic crust is denser than continental crust. At a subduction zone, the oceanic crust usually sinks into the mantle beneath lighter continental crust. (Sometimes, oceanic crust may grow so old and that dense that it collapses and spontaneously forms a subduction zone, scientists think.)

Explanation:

3 0
3 years ago
All of the following are conditions that organisms in a tidepool must withstand except
NeX [460]
 d bc (a b c  and d) r the same to make a tidepool
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3 years ago
If a parent cell has 54 chromosomes how many will the daughter cell have after meiosis
melamori03 [73]
54÷2=27 chromosomes .
8 0
3 years ago
Explain nutrient recycling and importance of water cycle​
lakkis [162]

Answer:

The nutrient cycle describes the use, movement, and recycling of nutrients in the environment. Valuable elements such as carbon, oxygen, hydrogen, phosphorus, and nitrogen are essential to life and must be recycled in order for organisms to exist.

Explanation:

The nutrient cycle describes the use, movement, and recycling of nutrients in the environment. Valuable elements such as carbon, oxygen, hydrogen, phosphorus, and nitrogen are essential to life and must be recycled in order for organisms to exist.

6 0
3 years ago
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