M4: Mechanics Of Evolution

Question 1

is the process by which modern organisms have descended from ancient organisms.

Answer 1

Evolution

Question 2

The process of changing to suit different conditions.

Answer 2

Adaptation

Question 3

Adjustment to environmental conditions

Answer 3

Adaptation

Question 4

is an inherited trait that increases an organism’s chance of surviving and reproducing in an environment

Answer 4

Adaptation

Question 5

3 types of adaptation

Answer 5

Structural adaptation
Behavioral adaptation
Functional adaptation

Question 6

Is a structural adaptation that enables a species to blend in with its environment

Answer 6

Camouflage

Question 7

Resemblance of one species to another species

Answer 7

Mimicry

Question 8

What are the 5 mechanisms of evolution

Answer 8

Natural selection
Genetic drift
Gene flow
Mutation
Artificial selection

Question 9

Variation are caused by change in genes

Answer 9

Mutation

Question 10

Is the identification of desirable traits in plants and animals, and the steps taken to enhance and perpetuate those traits in future generations.

Answer 10

Artificial selection

Question 11

The movement of alleles into or out of a population

Answer 11

Gene flow

Question 12

a change in the gene pool of a small population that takes place strictly by chance.

Answer 12

Genetic drift

Question 13

It is the process by which population of organisms with variations that help them survive in the environments live longer, compete better, and reproduce more than those that do not have the variation

Answer 13

Natural selection

Question 14

Who made the theory of evolution by natural selection

Answer 14

Charles Darwin

Question 15

is the process by which population of organisms with variations that help them survive in the environments live longer, compete better, and reproduce more than those that do not have the variation.

Answer 15

Natural selection

Question 16

explain how populations change as their environments change.

Answer 16

Natural selection

Question 17

A slight difference in an inherited trait of individual members of a species

Answer 17

Variation

Question 18

Occur in the offspring as a result of sexual reproduction

Answer 18

Variation

Question 19

What are the studies of natural selection

Answer 19

1. Reproduction
2. Variation
3. Competition
4. Selection

Question 20

What are the elements of evolution by natural selection

Answer 20

Competition
Variation
Heritability
Iteration

Question 21

Many more individuals are born than survive

Answer 21

Competition

Question 22

Individuals vary in traits directly related to their ability to survive and reproduce

Answer 22

VARIATION

Question 23

These advantageous traits are passed onto offspring

Answer 23

Heritability

Question 24

This process is repeated generation after generation over long periods of time

Answer 24

ITERATION

Question 25

Is the identification of desirable traits in plants and animals, and the steps taken to enhance and perpetuate those traits in future generations.

Answer 25

Artificial selection

Question 26

The breeding of organisms for desired characteristics is called

Answer 26

Selective breeding

Question 27

Variation are caused by random ________ or change in genes.

Answer 27

Mutations

Question 28

------- can lead to changes in phenotype.

Answer 28

Mutation

Question 29

A change in the frequency of gene variants, alleles, in a population over generations.

Answer 29

Microevolution

Question 30

Formation of new groups or species, and happens over long time periods

Answer 30

Macroevolution

Question 31

The change in the gene pool of a small population that takes place strictly by chance.

Answer 31

Genetic drift

Question 32

What are the two types of genetic drift

Answer 32

2 types Bottleneck effect Founder effect

Question 33

A sharp reduction in the size of a population due to environmental events (flooding, earthquake, etc.)

Answer 33

Bottleneck effect

Question 34

A small group of individuals colonize a new habitat

Answer 34

Founder effect

Question 35

The movement of alleles into or out of a population

Answer 35

Gene flow

Question 36

Effect of _________ Population’s genetic variation increases when alleles are added to the population.

Answer 36

Migration

Question 37

Effect of _______ Population’s genetic variation decreases when alleles leave.

Answer 37

Emigration