Cytoplasm is a jello like substance that hold all the cells organelles in place|
Imaging a fruit cup with jello in it,the fruits in the cup represent organelles and the jello in the cup represents cytoplasm.
Enzymes are sometimes called biological catalysts
Answer:
Because natural selection selects for it. Thus it persists.
Explanation:
You have to understand heterozygote advantage. Basically, it's where heterozygotes have an advantage over homozygotes. In the case of sickle cell disease, heterozygotes have an advantage, and natural selection favors whatever is advantageous. Thus, because heterozygotes each have one recessive sickle-cell allele, as natural selection favors the heterozygotes, the recessive sickle-cell allele persists and remains in the gene pool.
<span>B.) Information on the distance from the ocean to the rivers that the salmon use. >? i think this would be it since they would not even be able to reach the area needed to breed >?</span>
Malthus didn't account for diseases or natural disasters in his theory of population growth.
