Why does each successively higher feeding level in an energy pyramid have less biomass

When does DNA replication (make a copy of itself) ?

Overuse of chemical fertilizers has resulted in the growth of some lawns in which decomposers cannot live. this would interfere most directly with the ability of the lawn ecosystem to?

Atoms also take up space and math knowing this we can calculate the density of a single atom. Using the information from Scandium in our previous question (#5) calculate the density if the volume of a single atom is 4,410,945.3pm to the third

Which of the following is produced by mutation and is essential for evolution to occur

The principle of natural selection states that the best adapted organisms are most likely to survive and reproduce

What effect will a virus in the lysogenic cycle have on an organism?

A sentence using hydrotropism

Ape species began to dwindle during the Miocene, leaving only a few remaining: a situation that exists up to the present. It is thought that the number of ape species reduced at that time because

Jon is in a car accident and severs an artery in his leg. He loses a significant amount of blood and experiences a drop in blood pressure. Explain how his body senses these changes, and how it will respond in an attempt to maintain homeostasis.

a scientist is conducting an investigation that involves water, silver corbon dioxide, and oxygen gas. Which group of statement best describes all of the materials he is using in the investigation?