Neither whales nor pythons have hind legs, but both have internal remnants of legs and hip bones. Snakes and whales must have

Which organism in a ecosystem is likely to be found at the top of an energy pyramid grass insect frog hawk

Which idea was Lamarck's theory of Evolution based upon? natural selection variation in populations inheritance of acquired traits descent with modification

What kind materials can compression shock waves move through? Solids only Liquids only Liquids and gases Solids and Liquids

What basic functions must animals do to stay alive? A. Reproduce B. Collect and rid of oxygen and nutrients C. Take in and distribute wastes D. Gather and respond to stimuli

Marla is a healthy 30-year-old woman. she doesn't work out, but she consumes protein supplements because she thinks they will increase her muscle mass without the need to exercise. based on this information, the excess amino acids in her diet will

What is a carbon footprint? A. A measure of how much carbon dioxide someone releases into the air B. A measure of how much carbon is fixed by bacteria C. A measure of how much carbon a person absorbs in their life D.

Why doesn't the stomach digest itself? a. the stomach wall is not composed of protein, so it is not affected by proteolytic enzymes. b. the digestive enzymes of the stomach are not strong enough to digest the stomach wall. c.

States that genetic information flows in one direction

Suggest ONE reason why some plants have no dispersing seeds

Which of the following is a possible order of the scientific method