1. What is the criteria necessary for organisms to be classified in the same species? (Choose all that apply) A: offspring produced must look identical to the parents

B: must be capable of surviving in the same environmental conditions

C: offspring produced must be fertile

D: must be capable of interbreeding with one another

Describe at least 2 abiotic and two biotic factors found in the desert biome how do these abiotic factors interact with the biotic factors

1. environmental factors, such as ph and temperature, can affect the function of an enzyme. a. true b. false 2. which of the following is an organic molecules (ex. vitamins) that an enzyme? a. coenzyme b. product c. active site d. substrate 3. how do enzymes effect the speed of a chemical reaction? a. they speed it up b. they slow it down c. they have no effect on the speed of a reaction 4. during a chemical reaction, an enzyme is used up so that it can only be used one time. a. true b. false 5. which of the following results from a chemical reaction that is catalyzed by an enzymes? a. active site b. product c. substrate d. coenzyme

An easy way to calculate the amount of energy available at each level is to what?