Nucleic acids
Nucleic acids store and transfer cellular information and transfer energy in all living organisms.
Answer: All birds are warmblooded, or endothermic, animals. Birds are vertebrates because
they have backbones. All birds have a four-chambered heart, a
characteristic they share with mammals. All birds lay hardshelled eggs. Birds have only two legs. Their forelimbs have
become modified into wings for flying. All modern birds evolved
from ancestors that could fly.
Explanation:
Astronomy. Astronomy coomes from the latin word for star and in ancient times "the stars" refered to anything in outer space.
Answer:
They orbit around the nucleus of an atom.
Explanation:
Protons are located inside of the nucleus. Electrons orbit the nucleus.
