The answer is stem. i just had this question on odyssey.
The Cambrian period was important because it marked a dramatic burst of evolutionary changes in life on Earth. I<span>t is also the time when most of the major groups of animals first appeared in fossil records.</span>
Answer:
1200ft
Explanation:
depth of water ranges from 0ft below the surface along major rivers and streams to a maximum estimated at more than 1200 ft below land surface on the southern slops oflarch mountain
1. <span> A. The algae directly feeds the large-mouth bass and wood duck. Consumers are the same thing as heterotrophs.
2. </span><span>The blue arrow points to an animal which gets all its energy from (i.e., eats) only other animals
3. </span><span>Primary consumers are the organisms which eat producers. So without the primary consumers eating the producers, the number of producers will probably increase.</span>