Evolution

Question 1

Analogous

Answer 1

structures that appear similar or have the same function but are controlled by different genes

Question 2

Artificial selection

Answer 2

the process by which people chose to breed particular organisms with desirable features; also known as selective breeding or directed selection

Question 3

Cross-breeding

Answer 3

selective breeding by combining a desirable feature of one individual with another in the offspring

Question 4

Evolution

Answer 4

change in the characteristics of a species over many generations

Question 5

Generation

Answer 5

the time between the birth of an individual and when they produce their own offspring

Question 6

Homologous

Answer 6

structures that are controlled by some of the same inherited genes

Question 7

Inbreeding

Answer 7

selective breeding in which closely related individuals are allowed to breed

Question 8

Antibiotics

Answer 8

chemicals made by organisms such as fungi to defend them against bacteria

Question 9

Natural selection

Answer 9

the process where an environmental factor acts on a population and results in some organisms having more offspring than others

Question 10

Resistance

Answer 10

inherit ability of a species to withstand chemicals such as pesticides

Question 11

Selective agent

Answer 11

the environmental factor that acts on the population during natural selection

Question 12

Sexual selection

Answer 12

a special case of natural selection where the environmental factor is the selection of a mate

Question 13

Variation

Answer 13

differences in characteristics die to different genes

Question 14

Distribution

Answer 14

map of all the places where a species occurs

Question 15

Embryology

Answer 15

the study of the embryos of different species

Question 16

Isolation

Answer 16

keeping interbreeding groups apart by some barrier or mechanism

Question 17

Species

Answer 17

group of organisms that can interbreed to produce fertile offspring under natural conditions

Question 18

Speciation

Answer 18

the process by which one species splits into two or more separate species

Question 19

Transitional form

Answer 19

fossils that have features of two or more different groups

Question 20

Fossils

Answer 20

the preserved evidence in rocks or soils of organisms that were once alive

Question 21

Geological time scale

Answer 21

a scale showing the history of life and geology