chapter 15-17 test

Question 0

what influenced Darwin the most out of beagle sports

Answer 0

Galapagos Islands

Question 1

Evolution

Answer 1

process by which modern organisms descended from ancient organisms

Question 2

how did the birds differ on the Galapagos Islands

Answer 2

your beaks

Question 3

after you return to England what darling developed to explain his findings

Answer 3

Siri saying that species evolve differently when separated

Question 4

how did Lamarack propose the species change

Answer 4

selective use or disuse use of organs, organisms gain or lose traits

Question 5

variation

Answer 5

Differences among individuals or species

Question 6

artificial selection

Answer 6

nature provided the variation among organisms, human selected yousfull ones

Question 7

what was Darwin’s greatest contribution

Answer 7

prosses in nature to artificial selection

Question 8

fitness

Answer 8

The ability of an individual to survive and reproduce in its specific environment

Question 9

adaptation

Answer 9

any inherited characteristic that increases and organisms chance of survival

Question 10

natural selection

Answer 10

revival of the fittest

Question 11

explain what Darling meant by the phrase survival of the fittest

Answer 11

individuals more suited to their environment have a better chance of surviving

Question 12

three facts about natural selection

Answer 12

changes in inheritance, increases fitness, takes many generations

Question 13

common descent

Answer 13

common ancestors of all living things

Question 14

what four areas is evidence for evolution found

Answer 14

fossil record, geographic distribution, Homo largest body structures, similarities in early development

Question 15

Homo Logis structures

Answer 15

different mature forms, same embryonic tissues

Question 16

what happens to individuals whose characteristics are not well-suited for their environment

Answer 16

they die or leaf you were off springs

Question 17

paleontologist

Answer 17

scientists who study fossils

Question 18

fossil record

Answer 18

produces evidence about history and life on earth, how organisms change over time

Question 19

what are the two techniques that paleontologist used to determine the age of fossils

Answer 19

realitive dating and radioactive dating

Question 20

how is the age of a fossil determined in realitive dating

Answer 20

comparing its placement with fossils and other layers

Question 21

half-life

Answer 21

length of time required for half of the radioactive Adams in a sample to decay

Question 22

precambrian

Answer 22

88% of earths history

Question 23

Cenozoic

Answer 23

age of mammals

Question 24

meza zoic

Answer 24

age of dinosaurs

Question 25

what gas is made up earths early atmosphete

Answer 25

hydrogen cyanide, carbon dioxide, carbon monoxide it, hydrogen sulfide, nitrogen, water

Question 26

why did oceans not exist until nearly 3 .8 billion years ago

Answer 26

The service wasn't cool enough