Consider the following statement: "size and shape are not reliable indicators of how closely different organisms are related." what information shown in the figure supports this statement?

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

In which of the following relationships is one organism always benefited while the other organism is always harmed

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm