You are a running in a race. What is one feedback mechanism that happens as you increase exercise and muscle activity?

A) leg cramps

B) longer steps

C) increased heart rate

D) decrease in body temperature

When mendel crossed a true-breeding short plant with a true-breeding tall plant, all of the offspring were tall. which term describes the gene for tallness? a. hybrid b. dominant c. hidden d. recessive

List the 3 steps of southern blotting

When scientists come to a tentative explanation about what they are investigating it is called

Evaluate Anna's list and her conclusion. Do you agree or disagree, why or why not? A) Anna is incorrect. ALL cellular processes require ATP energy, including glycolysis, osmosis, and diffusion.

Why is it cooler in mountains than at nearby places located at lower elevations?

Transport of materials into a cell against a concentration gradient, from low to high, requires A) water. B) energy. Eliminate C) osmosis. D) a passageway.

As ocean water in a tide pool warms and evaporates, the remaining water becomes a. cooler. b. saltier. c. calmer. d. darker.

Drake is comparing time people spend playing games on Xbox versus Playstation. In his study, individuals ages 10 - 15 are given Xbox's and individuals ages 16 - 25 are given Playstations.

How do scientists obtain knowledge about the world? Check all that apply.

What would the temperature of the surface be if the Earth did not have an atmosphere?