Answer: Energy is passed up a food chain or web from lower to higher trophic levels. This loss of energy explains why there are rarely more than four trophic levels in a food chain or web. Sometimes there may be a fifth trophic level, but usually there's not enough energy left to support any additional levels.
Explanation: :) Hope it helps
Pure breeding means the same as selective breeding since you take two animals and combine their traits for certain reasons
A person that studies rocks minerals and earth's land forms are geologist
2 because animals do not have chloroplast or a cell wall
