Which choice is not an example of an ecosystem? A. carbon dioxide

B. digestive system

C. tide pool

D. prairie

Write a paragraph explaining why the effect of mutations can vary widely - from neutral to harmful to beneficial

The many volcanoes located along the edge of the pacific ocean make up the ring of fire. how does subduction play a role in the volcanic activity in the ring of fire?

Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. chinchilla x chinchilla 1/2 agouti, 1/2 chinchilla 3/4 agouti, 1/4 chinchilla all chinchilla