Choose all the answers that apply.

Themes in science include:

A. cycles

B. equilibrium

C. change

D. models

E. scientific method

Which claim correctly describes how genes can produce a phenotype? One gene is responsible for all traits. Each trait is determined by a single gene. One gene can be responsible for many traits. Each gene is responsible for exactly one trait.

On which of the following objects will earth exert a greater gravitational pull than on a pencil?

A mangrove community has following food chain: Mangrove - - > mangrove tree crab--> roseate spoonbill--> American crocodile Which population would be most likely to increase if roseate spoonbills disappeared from the community?

Kate and Janie are about to pour water into a beaker when they notice the beaker has a crack at the bottom. What should the students do with the beaker?

Plants need bacteria in order to take up and use which element?

What are the major consumers of fossil fuels?

How are the heads of vultures adapted to what they eat?

If there is a large amount of lactose present, how does bacteria respond? A. the gene for beta-galactosidase turns off B. beta galactosidase production increases C. The gene for beta-galactosidase turns on D. Lactose is produced

What is a controlled experiment? A. An experiment that uses carefully controlled conditions B. An experiment that is performed inside C. An experiment that has no manipulated variable D. An experiment that is controlled by a company

Which is more numerous, the amount of microbes or the amount of people