It must be an igneous rock because I of the reason it is created when lava spews out and then solidifies.
Answer:
Phytoplankton production is necessary to begin a food web in an ocean ecosystem.
Explanation: Hope it helps you :)))))))
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Answer:
The answer is: All of the cells of the sea star have the same exact DNA (I think)
Explanation:
The gap junction includes "micro tunnels" that are formed between two This junction it is an<span> intercellular connection that allows communication between cells and </span><span>exchange of ions, second messengers, and small metabolites between adjacent cells</span>
The micro tunnels are regulated gates through which this molecules pass.
Diffusion , the movement of gas molecules .
