Answer:
A there needs to be a producer, consumer, and predator, and decomposer.
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A or C
Just choose any of those!
Answer: Posterior HoxA and HoxD genes play important roles in patterning along the proximodistal axis of the forelimb (10–13). They also are required for activating and maintaining Shh expression in the developing forelimb (6, 7). mark brainliest
Explanation: