Answer:
It causes evolution
Explanation:
Sexual reproduction leads to variation and mutations, whcih cause evolution over thousands and millions of years
Answer:
Independent Variable: Give one group the drug and dont give the other group the drug
Dependent Variable:The data of if the drug improves the rats memory(if their memory is better, the same, or made worse)
The ferns habitat I'm positive this is the correct answer.
Is this it?
<u><em>After egg hatches, the immature insect feeds and grows. Its exoskeleton is like a shell. Eventually, the larva or nymph must shed its unyielding overcoat to continue its development.
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<u><em>The exoskeleton which serves as its external backbone is used for protection and support. Without an exoskeleton, the insect could not survive. An old exoskeleton is shed when a new one is ready underneath, a process that can take days or weeks.</em></u>
<span>A spindle fiber is a specialized form of microtubule </span><span><span>
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