VOCAB

Question 0

Define branching tree diagram

Answer 0

A diagram that shows how scientists think different groups of organisms are related

Question 1

Define prokaryote

Answer 1

An organism whose cells lack a nucleus and some other cell structures

Question 2

Define punctuated equilibria

Answer 2

The theory that species evolve during short periods of rapid change

Question 3

Define paleontologist

Answer 3

A scientist who studies fossils

Question 4

Define comparative anatomy

Answer 4

The comparison of structures of different organisms

Question 5

Define binomial nomenclature

Answer 5

The system for naming organisms in which each organism is given a unique two-part scientific name

Question 6

Define natural selection

Answer 6

A process by which individuals that are better adapted to their environment are more likely to survive and reproduce than others of the same species

Question 7

Define variation

Answer 7

Any difference between individuals of the same species

Question 8

Define homogolous structures

Answer 8

Body parts that are structured similar in related species and that provided evidence for a common ancestor

Question 9

Define scientific theory

Answer 9

A well tested concept that explains a wide range of observations

Question 10

Define adaptation

Answer 10

A behavior or physical characteristic that allows an organism to survive or reproduce in its environment

Question 11

Define evolution

Answer 11

The gradual change in a species overtime

Question 12

Define habitat

Answer 12

The species environment that provides the things in organism needs to live grow and reproduce

Question 13

Define mold

Answer 13

A type of fossil formed when a shell or other hard part of an organism dissolves leaving a empty space in the shape of the part

Question 14

Define cast

Answer 14

A type of fossil that forms when a mold becomes filled with minerals that then Harden

Question 15

Define species

Answer 15

A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and produce

Question 16

Define classification

Answer 16

The process of grouping things based on their similarities

Question 17

Define extinct

Answer 17

A word used to describe a species of new members of that species are still alive

Question 18

Define fossil

Answer 18

The preserved remains or traces of an organism that live in the past

Question 19

Define petrified fossil

Answer 19

A fossil formed when minerals replace all or part of organism

Question 20

Define gradualism

Answer 20

The theory evolution occurs slowly but steadily

Question 21

Define genus

Answer 21

A classification grouping that consists of a number of similar, closely related species

Question 22

Define eukaryote

Answer 22

Organism whose cells contain nuclei

Question 23

Define taxonomy

Answer 23

The scientific study of how living things are classified