Population Size

Question 1

Population

Answer 1

all members of one species that live together in the same habitat

Question 2

What is population affected by

Answer 2

biotic and abiotic factors

Question 3

Limiting factors in population

Answer 3

food
water
shelter
weather/climate
temperature

Question 4

What are the different effects of limiting factors

Answer 4

tolerance range
carrying capacity
competitive exclusion

Question 5

Tolerance range

Answer 5

range of abiotic factors an organism can tolerate

Question 6

Carrying capacity

Answer 6

total number of organisms that can be supported by an ecosystem

Question 7

Competitive exclusion

Answer 7

prevents the overall population of an ecosystem from becoming too large

Question 8

Human impact on population size

Answer 8

habitat destruction of rainforests and wetlands

Question 9

How are we protecting natural habitats

Answer 9

remediation
wildlife refuge creation
wetland conservation

Question 10

Factors determining population size

Answer 10

birth/death rate 
animal migration
immigration/emigration
available niches 
resource supply

Question 11

Birth rate

Answer 11

number of births that occur in relation to the overall population

Question 12

Death rate

Answer 12

number of deaths that occur in relation to the overall population per year

Question 13

Growth rate

Answer 13

birth rate-death rate

Question 14

R-selected species

Answer 14

short life span

produce large number of offspring in a short period of time

Question 15

Examples of R-selected species

Answer 15

algae and fruitflies

Question 16

K-selected species

Answer 16

long life span

produce few offspring

Question 17

Examples of K-selected species

Answer 17

elephants, giant tortoise

Question 18

Migration

Answer 18

seasonal movement of organisms between locations

Question 19

Migration occurs due to

Answer 19

change in food or water supply
change in climate
reproduction

Question 20

Immigration/emigration

Answer 20

permanent movement of organisms from a native location to a foreign location

Question 21

Age structure

Answer 21

distribution of age groups within a population

Question 22

Population distribution

Answer 22

how an where organisms are located

can be even, clumped, or random distribution

Question 23

Population density

Answer 23

amount of organisms per unit of an area

Question 24

Population size

Answer 24

number of members of a species in a given population

Question 25

About …… of species in Madagascar are only found there

Answer 25

75%

Question 26

Unique populaitons of organisms in Madgascar

Answer 26

Aye Aye

Fossa