Questions & Answers (Grade A+)
Evolution -
correct answer ✅CHANGE in frequency of traits in a population
Natural Selection -
correct answer ✅CAUSE of change
Adaptation -
correct answer ✅increase in FITNESS of population to
environment
Heritable Variations -
correct answer ✅TRAIT that is capable of being selected
Biome -
correct answer ✅COMMUNITY of species adapted to a region
Genetic Information -
correct answer ✅contained or encoded within the DNA
DNA -
correct answer ✅provides master instruction for all of a cell's
functions; heritable information;
,TTU BIOL 1402 HELD Test #1 Exam
Questions & Answers (Grade A+)
Tropics -
correct answer ✅latitudes between 23.5 degrees north and south;
region surrounding the equator
Temperate Zones -
correct answer ✅latitudes between the tropics and the Arctic
Circle in the north and the Antarctic Circle in the South; regions
with milder climates than the tropics or polar regions
Prevailing Winds -
correct answer ✅major global air movements; winds that result
from the combined effects of earth's rotation and the rising and
falling of air masses
Rain Shadow -
correct answer ✅moist air moves in off the Pacific Ocean and
encounters the western-most mountains, it flows upward, cools at
higher altitudes, and drops a large amount of water. Inland,
precipitation increases again as air moves up and over higher
mountains. On eastern side of the Sierra, there is little
precipitation, and the dry descending air also absorbs moisture
, TTU BIOL 1402 HELD Test #1 Exam
Questions & Answers (Grade A+)
Latitude -
correct answer ✅distance north or south of the Equator, measured
in degrees
Climate -
correct answer ✅depends on latitude, higher latitudes mean less
sunlight, warmer/sunnier climates at latitudes closer to equator
Elements -
correct answer ✅A substance that cannot be broken down into
simpler substances
Compound -
correct answer ✅a compound is a substance made from 2 or more
elements
Atom -
correct answer ✅particle that cannot be cut
Molecule -
correct answer ✅two or more atoms held together by covalent
bonds