Do you think we should just tear down all the power plants that use

nonrenewable energy technology so that we can start anew with renewable

energy? Explain your answer.

How would a scientist determine the age of a fossilized dinosaur egg?

Plant or animal which supports a parasite

The activation of mirror neurons may play a role in a person's ability to identify with another person's experiences and feelings, a skill known as human

Childbirth in mammals is an example of endocrine-controlled negative feedback, because the production of oxytocin during childbirth results in additional oxytocin being synthesized by the posterior pituitary gland. A. True B. False

The number of alleles for a given trait were about equal at the start of the lab. That is, for the trait "freeze reflex", for example, there were an equal number of dominant and recessive alleles.

Which best describes a gene? A: different allele form of a trait B: tightly coiled strands of DNA C: the center of a chromosome D: a segment of a chromosomal DNA

The growth of organisms in an ecosystem can be limited by the amount of water and light the ecosystem receives. a. True b. False

What is the most likely cause of plate movement? A) radiation from the sun B) cold air currents on earths surface C) heat convection within the earth D) movement of ice sheets

The closer together a magnet's magnetic field lines are, a. the weaker the magnetic field. b. the stronger the magnetic field. c. the closer they are to the magnet's center. d. the closer they are to disappearing.

What are two things that carbohydrates and lipids have in common? A. Both contain C, H, O and N and are formed by dehydration snythesis. B. Both contain C, H, O and serve as a source of energy. C.