José is learning about the fossil record. He knows the fossil record is the total number of fossils and their locations and that they provide information about an organism that once lived. Which of the following can José gather from studying the fossil record and its evidence?

A. Similarities between past and present species
B. How organisms will evolve in the future
C. Every plant and animal species that has ever lived
D. Origin of species and life on the planet

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

Name the organs of humanelemintary canal.

What advantages does a pedigree have over a written passage?