Ecology

Question 0

Define

Population

Answer 0

The amount of species in one are at one point in time

Question 1

Define

Species

Answer 1

A specific type of organism

Question 2

Define

Dispersion

Answer 2

How organisms spread out

Question 3

Define natality

Answer 3

Number of births in an ecosystem

Question 4

Define

Mortality

Answer 4

Number of deaths in an ecosystem

Question 5

Define

Carrying capacity

Answer 5

Number of organisms that an area can support

Question 6

Define

Gene flow

Answer 6

Spread of genes to different areas

Question 7

Define

Growth rate

Answer 7

Comparison of births and deaths

Question 8

Define

Genetic drift

Answer 8

Isolated populations develop different traits

Question 9

Define

Natural selections

Answer 9

Nature decides which traits are favorable

Question 10

Give an example that is a representation of population

Answer 10

Population of freshman in mr.aldrich’s 3rd period biology

Question 11

What is the movement in alleles into and out of a population called

Answer 11

Gene flow

Question 12

How does natural selection shape populations

Answer 12

Changes alleles and traits

Question 13

The population size that can be sustained by an environment over time is the

Answer 13

Carrying capacity

Question 14

Which tropic level does the grass fill

Answer 14

Producer

Question 15

Which tropic level does the mouse fill

Answer 15

Secondary consumer- carnivore

Question 16

Which level in the energy pyramid does the fox fill

Answer 16

Top consumer

Question 17

Which level in the energy pyramid does the grasshopper fill

Answer 17

Primary consumer

Question 18

Which organisms don’t fit the energy pyramid

Answer 18

Detritivores

Question 19

Is a lion killing a sheep an example of a biotic factor

Answer 19

Yes

Question 20

Is water for fish to swim in an example of an abiotic factor

Answer 20

Yes

Question 21

About how much energy is passed between feeding level

Answer 21

10%

Question 22

Ones the earth have all of the energy it will ever have

Answer 22

No

Question 23

Why must we recycle

Answer 23

Because we ready have all of the matter we will ever have

Question 24

Is nitrogen easily absorbed by animals

Answer 24

No, we have to get it from plants in order to absorb it

Question 25

Is nitrogen easily absorbed by plants

Answer 25

No it needs to be converted to nitrates

Question 26

What is the main source of energy for biological cycles

Answer 26

The sun

Question 27

What are the primary consumers in an energy pyramid

Answer 27

Herbivores

Question 28

What is a food web

Answer 28

Network of food chains

Question 29

Why is a large gene pool advantageous

Answer 29

Because it hides the bad traits

Question 30

The number of species in an ecosystem is referred to as what

Answer 30

Biodiversity

Question 31

Why is nitrogen important to plants and animals

Answer 31

Gives animals proteins for cells

Question 32

Organisms that feed on already dead organisms and break down matter are

Answer 32

Scavengers

Question 33

In the nitrogen cycle what is nitrogen converted into so plants can absorb it

Answer 33

Nitrates

Question 34

How are predators a limiting factor to prey in populations

Answer 34

Lower the preys population

Question 35

How are prey a limiting factor to predator populations

Answer 35

The prey is the predators food source

Question 36

Is a lion eating a goat an example of parasitism

Answer 36

No because it isn't an ongoing process

Question 37

Lizards getting faster as bugs get faster is an example of

Answer 37

Convolution

Question 38

Bird eating bugs that infest a rhinos ear is an example of

Answer 38

Mutualism

Question 39

In which type of symbiosis do both organisms benefit from the relationship

Answer 39

Mutualism

Question 40

Do all members of a species share the same niche in an ecosystem

Answer 40

Yes

Question 41

Why are biomes named for the plant life in an area

Answer 41

Because plants can only live under certain conditions

Question 42

Do grasslands typically have the same amount if precipitation as forests

Answer 42

No

Question 43

Are tundra and deserts at opposite ends of the biome spectrum

Answer 43

No

Question 44

Which biomes have the least amount of rainfall

Answer 44

Desert and tundra

Question 45

Which forests has the deepest amount of soil

Answer 45

Deciduous forests

Question 46

In which biomes will you find the most biodiversity

Answer 46

Tropical rainforest