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Flashcards in Evolution Deck (23)
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1
Q

mutations

A

are the source of new alleles in a population’s gene pool

2
Q

Population

A

individuals of the same species in a specified area

3
Q

gene pool

A

all genes found in one population

4
Q

changes in allele frequency of a population is called

A

microevolution

5
Q

natural selection

A

differential survival and reproduction among individuals of a population that vary in details of their shared traits

6
Q

directional selection

A

changing environmental conditions can shift allele

7
Q

sexual dimorphism

A

lions look different if male or female

8
Q

genetic drift

A

a random change in allele frequencies over time

9
Q

Sympatric speciation

A

new species form within a range of existing species

like different types of birds

10
Q

parapatric speciation

A

has to do with their habitats

11
Q

coevolution

A

two species co depend on each other: predator and prey

12
Q

community

A

all the species that live in a region

13
Q

interspecific competion

A

between different species

14
Q

intraspecific competition

A

between same species

15
Q

niche

A

required environment for species

16
Q

mimicry

A

harmless animal looks like a dangerous one

17
Q

parasitoids

A

lay eggs in other insects

18
Q

indicator species

A

especially sensitive to disturbances to the environment

19
Q

Fraculatative anerboe

A

organism that makes ATP by aerobic respiration if oxygen is presetn

20
Q

obligate aerobe

A

cannot make AtP in absence of oxygen

21
Q

the earliest t organisms of Earth are from

A

Bacteria and Archaea domains

22
Q

amniote

A

shelled eggs not dependent on water

23
Q

tetrapod

A

four legged walkers