Evolution

Question 1

1. The process of change by which new species come about from pre-existing species.

Answer 1

Evolution

Question 2

Evolution:
Evidences:
1. The remains of the non-degraded parts of living beings found within rocks.

Answer 2

Fossils

Question 3

Evolution:
Evidences:
1. Studying the similarities and differences in structure among living things.

Answer 3

Comparative Anatomy

Question 4

Evolution:
Evidences:
Comparative Anatomy:
1. Parts of different organisms that are similar in structure but different functions.

Answer 4

Homologous Structures

Question 5

Evolution:
Evidences:
Comparative Anatomy:
1. Parts of different organisms that are similar in function but different in internal structure.

Answer 5

Analogous Structures

Question 6

Evolution:
Evidences:
Comparative Anatomy:
1. Structure that serves little or no function that are through to be the remnants of organs that were once functional in an ancestral form.

Answer 6

Vestigial Organs

Question 7

Evolution:
Evidences:
1. Study of the differences and similarities in the development of embryo in certain organisms.

Answer 7

Comparative Embryology

Question 8

Evolution:
Evidences:
1. The study of the similarities and differences in the sequences of bases in DNA that results in the production of protein in different groups of organisms.

Answer 8

Comparative Biochemistry

Question 9

Evolution:
Mechanisms:
1. Nature provides the variation among different organisms so that humans can select the variations that are useful to them in a technique called SELECTIVE BREEDING.

Answer 9

Artificial Selection

Question 10

Evolution:
Mechanisms:
1. An evolutionary change in allelic frequencies of a population as a matter of chance.
2. It occurs in very small populations, but its effects are strong.

Answer 10

Genetic Drift

Question 11

Evolution:
Mechanisms:
Two Types of Genetic Drift

Answer 11

Population Bottleneck and Founder Effect

Question 12

Evolution:
Mechanisms:
Two Types of Genetic Drift:
1. An event that drastically reduces the size of a population.

Answer 12

Population Bottleneck

Question 13

Evolution:
Mechanisms:
Two Types of Genetic Drift:
1. The loss of a genetic variation that occurs when a new population s established by a very small number of individuals from a larger population.

Answer 13

Founder Effect

Question 14

Evolution:
Natural Selection:
Types of Natural Selection

Answer 14

1. Stabilizing
2. Directional
3. Disruptive

Question 15

Evolution:
Natural Selection:
Types of Natural Selection:
1. The intermediate phenotypes are more fit than extreme ones.

Answer 15

Stabilizing Selection

Question 16

Evolution:
Natural Selection:
Types of Natural Selection:
1. Occurs when environmental pressures favor one phenotype more than another.

Answer 16

Directional Selection

Question 17

Evolution:
Natural Selection:
Types of Natural Selection:
1. Both extreme phenotypes are more fit than those in the middle.

Answer 17

Disruptive Selection

Question 18

Evolution:
Mutation:
Two Types of Mutation

Answer 18

Neutral and Beneficial Mutation

Question 19

Evolution:
Mutation:
Two Types of Mutation:
1. Affects the organism’s phenotype but has no impact on its survival or reproduction.

Answer 19

Neutral Mutation

Question 20

Evolution:
Mutation:
Two Types of Mutation:
1. Affects the phenotype of organisms, resulting in an increase in their chances of survival or reproduction.

Answer 20

Beneficial Mutation

Question 21

Evolution:
Mechanisms:
1. Also known as ‘migration’
2. Happens when there is transfer of genes from the gene pool of one population to another.

Answer 21

Gene Flow

Question 22

Evolution:
1. Defines of how a species changes its body and behavior to better suit its natural environment.

Answer 22

Adaptation

Question 23

Evolution:
Types of Adaptation:
1. These are special attributes that involve some parts of an organism’s body, such as skin, color and shape.
2. These adaptations help the organisms to survive in their natural habitat.

Answer 23

Structural Adaptations

Question 24

Evolution:
Types of Adaptation:
1. These are mechanisms to present in an organism that allow it to perform certain biochemical reactions to survive in its natural habitat.

Answer 24

Physiological Adaptations

Question 25

Evolution:
Types of Adaptation:
1. These are ways a particular organism behaves to survive in its natural habitat.

Answer 25

Behavioral Adaptations

Question 26

Evolution:
1. The process of evolution that leads to the disappearance of a population or species.

Answer 26

Extinction

Question 27

Evolution:
1. Defined as the species which are under risk or threat of being extinct.

Answer 27

Endangered Species