What kind of macromolecule is made from amino acids?

nucleic acid

lipid

protein

carbohydrate

Carbon, in the form of what is released by animals through respiration

The scientific name for the layer of gas that surrounds the earth. A. lithosphere B. hydrosphere C. atmosphere D. biosphere

The upper chambers of the heart are called, and the lower chambers of the heart are called.

What Does the principal of common descent mean

The head of a crustacean has: a. one pair of antennae, one pair of mandibles and two pairs of maxillae c. two pairs of antennae, two pairs of mandibles and two pairs of maxillae b.

4. What is a physical or mental representation of an object or an arent? a theor a hypothesis a model a scientific lair

The Hematodinium parasite becomes less of a problem for the blue crab when A-the crab is very young B-fishing is thriving in the region. C-the crab moves to less salty water. D-a significant percentage of the population is impacted.

Homeostasis is classified under which of the following A. Cell respiration B. Transcription C. Cell regulation D. Photosynthesis

A ball, with a mass of 10 kg, is dropped from the top of a building, from a height of 20 meters. Explain what will happen to the potential energy if the 10 kg mass is replaced with a mass of 40 kg and the height of the drop remains constant.

Which of the following is a disadvantage of animal endoskeletons? a. Endoskeletons allow organisms to grow large in size. b. Endoskeletons don't need to be molted as an organism grows. c.