In the human abo blood grouping, there are four basic blood types, type a, type b, type ab, and type o. the blood proteins a and b are:

Which of the following human activities resulted in the growth of the north american deer population?

Grasses--> mice--> cats--> coyotes suppose 10,000 units of energy are available at the level of the grasses. what is the total number of energy units lost by the time energy reaches the coyote?

Kudzu vines grow by climbing and wrapping around trees. trees covered by kudzu can die because they are starved of sunlight. what type of relationship exists between the trees and the kudzu growing on them?