Ch 12 8th Vocab

Question 1

Water in gas form

Accepted Answer

water vapor

Question 2

A trait that an organism inherits that helps it survive in its natural environment

Accepted Answer

Adaptation

Question 3

small continents

Accepted Answer

Microcontinents

Question 4

The Age of Reptiles

Accepted Answer

Mesozoic Era

Question 5

Reactions in which hydrogen fuses to make helium

Accepted Answer

nuclear fusion

Question 6

The Age of Mammals

Accepted Answer

Cenozoic Era

Question 7

The mass extinction that is most famous (no more dinos)

Accepted Answer

Cretaceous Extinction

Question 8

Ribonucleic Acid

Accepted Answer

RNA

Question 9

When large numbers of organisms become extinct very rapidly

Accepted Answer

Mass extinction

Question 10

A giant cloud of gas and dust that the sun and planets formed from

Accepted Answer

solar nebula

Question 11

Species changing over time

Accepted Answer

Evolution

Question 12

The evolution of new and diverse life at the beginning of the Paleozoic Era

Accepted Answer

Cambrian Explosion

Question 13

Molecules that store genetic information

Accepted Answer

Nucleic Acids

Question 14

The largest mass extinction

Accepted Answer

Permian Extinction

Question 15

A region of the solar system that contains many comets, asteroids, dust, and ice

Accepted Answer

Kuiper Belt

Question 16

The era where life was most diverse in the oceans

Accepted Answer

Paleozoic Era

Question 17

Cells that have a nucleus

Accepted Answer

Eukaryotes

Question 18

Random change in an organism's genes

Accepted Answer

Mutation

Question 19

Cells surrounded by a cell membrane that lack a nucleus

Accepted Answer

Prokaryotes

Question 20

The gases that surround a planet

Accepted Answer

atmosphere

Question 21

Having many difference

Accepted Answer

Variation

Question 22

Deoxyribonucleic Acids

Accepted Answer

DNA

Questions 22