Questions & Answers (Grade A+)
Evolution -
correct answer ✅Change in a kind of organism over time; process
by which modern organisms have descended from ancient
organisms.
natural selection -
correct answer ✅A process in which individuals that have certain
inherited traits tend to survive and reproduce at higher rates than
other individuals because of those traits.
Adaptation -
correct answer ✅A trait that helps an organism survive and
reproduce
heritable variation -
correct answer ✅differences that are passed on from parent to
offspring
DNA -
correct answer ✅deoxyribonucleic acid, a self-replicating material
present in nearly all living organisms as the main constituent of
chromosomes. It is the carrier of genetic information.
,Biology of Animals-TTU-Test 1 Exam
Questions & Answers (Grade A+)
genetic information -
correct answer ✅instructs cells how to construct proteins; stored
in DNA
Biome -
correct answer ✅A group of ecosystems that share similar climates
and typical organisms
Element -
correct answer ✅A substance that cannot be broken down into
simpler substances
Compound -
correct answer ✅A substance made up of atoms of two or more
different elements joined by chemical bonds
Atom -
correct answer ✅Smallest particle of an element
Molecule -
correct answer ✅two or more atoms held together by covalent
bonds
, Biology of Animals-TTU-Test 1 Exam
Questions & Answers (Grade A+)
Proton -
correct answer ✅A subatomic particle that has a positive charge
and that is found in the nucleus of an atom
Nuetron -
correct answer ✅A subatomic particle that has no charge and that
is found in the nucleus of an atom
Electron -
correct answer ✅A subatomic particle that has a negative charge
atomic nucleus -
correct answer ✅An atom's dense central core, containing protons
and neutrons.
Isotope -
correct answer ✅Atoms of the same element that have different
numbers of neutrons