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olga nikolaevna [1]
3 years ago
10

Karen is classifying a group of organisms that are enter primary producers or consumers.what is the direct source of energy for

all of the consumers
Biology
1 answer:
stira [4]3 years ago
4 0

Answer:

Primary consumers

Explanation:

DIRECT source of energy

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Professional antigen-presenting cells, such as phagocytes, are the first cells to encounter a pathogen (apcs). This means they have the ability to activate cells of the adaptive immune system.

<h3>What is meant by Pathogen?</h3>
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