Some frogs, when sitting, can absorb all the oxygen they need through the skin.

Only when they move do they start to breathe.

Explain these observations.

A byproduct (sometimes called a waste product) of the anaerobic glycolysis energy system is: O Glucose OPCr O Lactic acid O ADP

In terms of research design, an experiment is best used when you want to:

Which of the following statements about eating disorders is false? a. Demineralization of teeth tfrom exposure to stomach acid is a health issue associated with purging b.

What does it mean when we say a trait is dominant? A: Both parents must contribute alleles for this trait to appear. B. Offspring carry unmatched alleles C. Offspring show this trait even if only one parent contributes the allele. D.

Which of these is the best indication of the relative age of a rock layer

Trace a drop of blood from the left atrium to the left hallucinating and back to the right atrium

Besides the ability of some cancer cells to divide uncontrollably, what else could logically result in a tumor?

Which of the following is an abiotic factor you might find in a desert

A population is a population is a group of individuals of the same species that live in the same area and interbreed. all individuals of a species, regardless of location or time period in which they live.

Tongues have the ability to taste sweet, sour, salty, and bitter. true false