Answer:
An invading.
Explanation:
When a(n) invading organism enters an established ecosystem, it competes with some of the native organisms for food. as a result, the entire ecosystem can be thrown out of balance
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Answer:
A. The phenotypes that result from having 2 or 4 dark-skin alleles
Explanation:
Quinine is used to treat malaria and its symptoms (B). It works by killing the organisms that cause malaria (Plasmodium falcipartum). Keep in mind its only used to treat malaria, but not to prevent it.
<span>Deoxyribonucleic Acid is what DNA stands for.
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Animals move from place to place because -
1)in search of food and shelter.
2)to <span>protect themselves against adverse climatic conditions.
3)to protect themselves </span><span>from enemies and their predators
</span>4)to find suitable partners for <span>reproduction.
Animals migrate to reproduce, eat, or seek warmer climates.</span>
