Bio test 12

Question 1

Study of where organisms live now and where they and their ancestors lived in the past

Answer 1

Biogeography

Question 2

Embryology

Answer 2

Similar embryos, diverse adult organisms, originate from common ancestors

Question 3

The study of ___ provides evidence of evolution

Answer 3

Anatomy

Question 4

___ structure are similar in structure but different function, evidence of common ancestor

Answer 4

Homologous structure; ex human hands, mole foot, bat wings

Question 5

___ structure have similar functions but NOT COMMIN ANCESTORS

Answer 5

Analogous; flying wings and bat wings.

Question 6

___ structure are Remnants of organs structures that had a function in an early ancestor

Answer 6

Vestigial; ostrich wings

Question 7

Closely related organisms will have similar__

Answer 7

DNA sequences.

Question 8

Half amount

Answer 8

The amount of time it takes for half the isotope to decay.

Question 9

Paleontology

Answer 9

Study of fossil or extinct organisms.

Question 10

fossil can form in several ways.

Answer 10

Permineralized
Natural cast
Trace fossils
Amber preserved
Preserved remains

Question 11

Index fossils are

Answer 11

Another tool to determine the age of rock layers

Question 12

What can index fossils provide

Answer 12

Relative age of a rock layer

Question 13

Life on a changing planet; Physical forces

Answer 13

Climate dramatically changed over time (ice age to volcanic eruptions)

Question 14

Life on a changing planet; Biological Forces

Answer 14

Photosynthesis organisms releasing oxygen.

Question 15

; EXTINCTION

Answer 15

Species dies off completely.

Question 16

Patterns of extinction; background extinction

Answer 16

Slow process, yet steady. Over local span.

Question 17

Patterns of extinction; Mass extinction.

Answer 17

Relatively short amount of time, Globaly occuring.

Question 18

Rate of Evolution; Gradualism

Answer 18

Involve a slow steady change in a particular line of descent.

Question 19

An evolutionary process by which single species or a small group of species evolved over a relatively short time into several different forms

Answer 19

Adaptive Radiation.

Question 20

Produces similar structures and characteristics in distantly related organisms

Answer 20

Convergent Evolution

Question 21

Produces different species from same ancestors

Answer 21

Divergent Evolution

Question 22

Coevolution

Answer 22

Two species evolve at same rate.

Question 23

Miller Urey Experiment

Answer 23

Added electricity and produced amino acids and organic compounds. Abiotic became biotic.

Question 24

Endosymbiosis

Answer 24

Is a relationship one organism lives within the body of another

Question 25

Genetic variation is an___ of sexual reproduction

Answer 25

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