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Sav [38]
3 years ago
12

Which two are necessary for a functional ecosystem?

Biology
2 answers:
Art [367]3 years ago
5 0

Answer:C and D

Explanation:

Lynna [10]3 years ago
3 0

Answer: C & D

Explanation:

Producers start the cycle off by creating food from the energy from the sun. Then decomposers are the last on the cycle. They recycle all the leftover nutrients.

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B

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jekas [21]

Answer:

Our immune system produces antibodies against that antigen of pathogen.

Explanation:

Injecting an antigen from a pathogen would help our immune system memorize the infection and protect our body from causing of the disease because our immune system produces antibodies against that antigen so when the pathogen enters our body these antibodies attack on that and prevent them of causing infection in the body so that's why injecting an  antigen has to be done from the childhood to prevent diseases.

8 0
2 years ago
Need help!!!!!!!!!!!<br><br><br><br><br><br>​
Molodets [167]

Answer:

1. 15% 2. 85% 3. 70% 4. Yes because there is 15% more water outside the cell than inside 5. The water will move inside 6. Swell 7. I'm so sorry to say but I have no idea what type of cell it is. Best of luck!!!

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3 years ago
________ is a phenomenon that explains the tendency for the function of one part of the brain to depend on the activity of anoth
UNO [17]

Answer:

Lateralisation of the brain function.

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The brain is divided into 2 parts which are: the right hemisphere and the left hemisphere.

The lateralization of brain function is the tendency for some neural functions or cognitive processes to be specialized to one side of the brain or the other.

Examples of lateralised functions include:

Language, sensory processes, value systems etc.

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Which of the following best explains the difference in the amount of available energy in the trophic levels of the desert ecosys
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