Bio 11

Front 1

Niche

Back 1

an organisms biotic and abiotic surroundings and how it uses those resources

Front 2

biotic factors

Back 2

living organisms

Front 3

define abiotic factors and give three examples

Back 3

nonliving factors ex. water, temperature, and rainfall

Front 4

list four examples of resources

Back 4

food, water, space, sunlight

Front 5

the _____ _____ ______ states that no two species can indefinitely occupy the same niche at the same time. since they are competing for the same resources, only ___ species will survive

Back 5

competitive exclusion principle, one

Front 6

species can survive when they live in close proximity. How is this survival possible

Back 6

compete for different resources

Front 7

give an example

Back 7

5 species of warblers can coexist in the same space

Front 8

ecological succesion

Back 8

replacement of species following a disturbance

Front 9

primary succession

Back 9

occurs when no soil remains

Front 10

give two examples of primary succession

Back 10

volcano, and glacier

Front 11

secondary succession

Back 11

when soil is present, but growing organisms on top of the soil have been removed

Front 12

give two examples of secondary succession

Back 12

fire, and flooding

Front 13

characteristics of a population are based on

Back 13

geographic distribution, density, and growth rate

Front 14

geographic distribution

Back 14

range occupied by a population

Front 15

give an example of a small geographic range

Back 15

bacteria on rotting apple

Front 16

give an example of a large geographic range

Back 16

millions of square miles occupied by migrating whales

Front 17

population density

Back 17

defined as the number of individuals within a population

Front 18

example of an organism with a fast growing rate

Back 18

bacteria

Front 19

example of an organism with a slow growing rate

Back 19

mammal reproduction

Front 20

three factors affect population size. the number of ___, the number of ___ and the number of individuals that ___ or ___ the population

Back 20

births, deaths, enter, leave

Front 21

immigration

Back 21

movement of individuals into an area

Front 22

emigration

Back 22

movement of individuals out of an area

Front 23

what is necessary for exponential growth in a population to take place

Back 23

individuals in a population reproduce at a constant rate, under ideal conditions with unlimited recourses

Front 24

what is the slow growth phase called

Back 24

lag phase

Front 25

logistic growth

Back 25

the growth of a population slows or stops when fewer recourses are available

Front 26

when growth in a population has become limited, the population has reached its ____ ___

Back 26

carrying capacity

Front 27

lag phase

Back 27

growth is slow because population is small

Front 28

exponential growth

Back 28

individuals in a population reproduce at a constant rate

Front 29

carrying capacity

Back 29

maximum number of individuals

Front 30

______ factors consist of one or more factors that cause growth to decrease

Back 30

limiting

Front 31

list five limiting factors

Back 31

competition, predators, disease and parasitism, climate extremes, human disturbances

Front 32

list four recourses

Back 32

food, water, sunlight, and shelter

Front 33

how do parasites affect a dense population

Back 33

harm or kill their host

Front 34

how does disease affect a dense population

Back 34

spreads more easily

Front 35

biodiversity

Back 35

variety of organisms in an ecosystem

Front 36

list four ways in which human activity can reduce biodiversity

Back 36

changing habitats, hunting to extinction, using toxins, introducing non-native species