ILL MARK AS BRAINLIEST!!adding a catalyst to a reaction ___ the amount of energy needed for the reaction to occur and it ___ the reaction

Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area

Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating

Types of scientific inquiry that biologist engage in that cannot be completely controlled