This is an animal that lives by preying on other animals,

Select all that apply. What characteristics do mutations have? 1. always harmful 2. occasionally beneficial 3. omission of information 4. addition of information 5. mistakes in copying

Desert animals are active at night to avoid the heat. Which type of adaptation is this?

Which of the following diseases is passed on by inheritance? A. athlete's foot B. West Nile disease C. sickle cell anemia D. tuberculosis

Which law states that for every action there is an equal and opposite reaction? A. Newton's first law B. Newton's second law C. Newton's third law D. Newton's law of universal gravitation.

True or false: sexual reproduction produces genetic variations because each pair of chromosomes moves independently

Who was the first person to look at living cells using a microscope

What organelle is most specialized?

What is the body of a sponge is covered with many small opening?

Population Growth Which of the following refers to the movement of individuals out of a particular area? A. Immigration B. Emigration C. Transporting Population growth is a big concern for ecologists.

How does a caterpillar get it's energy?