Answer: Cell membrane
Explanation:
The cell membrane has the ability to transfer the molecules from the exterior of the cell to the interior of the cell.
The cell membrane is semi permeable which means only selected molecules will pass through the cell membrane.
The molecules and substances that are synthesized inside the cell needs to be transported from inside to outside via cell membrane.
Answer:
natural selection is natural, selective breeding is not. Natural selection is when the best genes are passed down. Selective is when the best of an animal group are forced to mate
Explanation:
Answer:b. The earth has warmed 10 times faster than it did coming out of the last Ice Age
Explanation: global warming from environmental degredation.
<span>B. The algae and the spider crabs have a mutualistic relationship
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<span>E. The spider crabs are parasites of the algae.
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Answer:
Calcitonin causes bone to be broken down.
Explanation: