LS2-4 Which ecological principle does an energy pyramid illustrate? A. Large amounts of energy ate lost in the transfer between trophic levels B. The ultimate source of energy in the biosphere is the sun. C. Consumer organisms are more important than producer organisms. D. Most producer organisms use photosynthesis to create organic compounds.

Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.

Discuss cell surface transport in the structure of constituents

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?