Sources of the heat inside earth?

Unlike reptiles young mammals depend on their parents for a. food. b. protection. c. grooming. d. all of the above

What characteristic is unique to echinoderms?

Can footprints be fossils? Explain your answer.

A student completed a lab report. Which correctly describes the difference between the "Question" and "Hypothesis" sections of her report?

An insect that has evolved to resemble a plant twig will probably be able to avoid A) parasitism. B) symbiosis. C) predation. D) competition. E) commensalism.

What is the difference between bacillus, coccus, and spirillum

What is always true of scientific practices a. They prove a hypothesis to be correct b. They involve steps performed in the same order c. They seek to produce verifiable data d. They lead to the same interpretation

Which statement is true about the scientific method

How do cells correct errors in DNA that would disrupt their function

Which is true of oxidation? a) It is a physical process b) No change occurs in the makeup of rock c) Rocks weather at different rates d) Water freezes in cracks in rock