A. Kidney
It is one of the major organs
Its B cuz the definition is <span>one of two or more alternative forms of a gene.
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Answer:
there are four trophic levels first are producers then primary consumers then secondary consumers then teritary consumers
Explanation:
grass - grasshopper - frog - snake - eagle is a simple food chain
The answer is A, as bears don’t eat deer, but they both eat plants.
Heterotrophs are animals.
Autotrophs are plants.
Hope this helps!
