Na + and CL-are ions formed from

What is an example of a stimulus and a response that humans exhibit? Can a similar behavior be seen in any other organisms?

An increase in Earth's average temperature due to the buildup of carbon dioxide and other gases in Earth's atmosphere is called A) ozone buildup. B) global warming. C) bioremediation. D) thermal pollution.

What level of biological organization comes just above the tissue level (for example, what level is immediately above the tissue level in complexity) ? molecular level organ system level organ level cellular level community level?

Simon and his friends are working on an experiment to determine the most common blood type group in California. Which of these methods would be the best form of data collection? a.

What is the adaptive advantage of lungs?

Which fossil would look most like an ancient organism? * trace cast mold?

Hydrogen is in column 1 of the periodic table What information does this give us? There is one other element that hydrogen will bond with There is one neutron in the nucleus.

Most plant must draw resources from two very different environments. Explain this statement?

When is facilitated diffusion necessary? a. When the molecules are too large. b. When the molecules are insoluble. c. When the direction of movement is opposite to natural diffusion. d. none of the above

G1, S, and G2 are all phases of which part of the cell cycle? a. interphase b. anaphase c. prophase d. telophase