Science Ecology Flash Cards

Question 1

Ecology

Answer 1

Ecology is the study of interaction between organisms and their environment.

Question 2

Biosphere

Answer 2

Biosphere is the area of Earth that supports life.

Question 3

Ecosystem

Answer 3

Ecosystem is all biotic and abiotic factors in an area,

Question 4

Community

Answer 4

Community are interactions among different species in an area.

Question 5

Population

Answer 5

A population is one single species in an area.

Question 6

Biotic

Answer 6

Biotic is living.

Question 7

Abiotic

Answer 7

Abiotic is the non living

Question 8

Habitat

Answer 8

A habitat is where organisms live.

Question 9

Niche

Answer 9

A niche is a job or role a species plays in its environment.

Question 10

Prey

Answer 10

A prey is what is being eaten or hunted.

Question 11

Predator

Answer 11

A predator is what is being eaten by the prey or hunter.

Question 12

Competition

Answer 12

Competition is the fight for resources (shelter, food, mates)

Question 13

Mutalism

Answer 13

Mutalism is an interaction where both species benefit

from eachother.

Question 14

commensalism

Answer 14

Commensalism is an interaction where one species benefits and the other is harmed.

Question 15

Parasitism

Answer 15

Parasitism is an interaction where one species benefits and the other is harmed.

Question 16

Producers/Autotrophs

Answer 16

Organisms that make their own food (glucose) through photosynthesis.

Question 17

Consumer/Heterotrophs

Answer 17

Organisms that can’t make their own food, must eat other organisms.

Question 18

Herbivores/ Primary Consumers

Answer 18

Only consume producers- first consumer in the chain.

Question 19

Carnivores

Answer 19

Only eat consumers.

Question 20

Omnivores

Answer 20

Eat both consumers and producers.

Question 21

Secondary Consumers

Answer 21

Eat primary consumers- second consumers in the food chain.

Question 22

Tertiary Consumer

Answer 22

Eat secondary consumers-third consumers in the food chain.

Question 23

What do the arrows in a food chain or web represent?

Answer 23

energy flow

Question 24

Which direction should the arrow be pointing?

Answer 24

Predator or what it eats.

Question 25

What happens to the energy as you go up the pyramid?

Answer 25

It decreases

Question 26

What percent of energy is transferred to the next level?

Answer 26

10%

Question 27

How is a food web different from a food chain?

Answer 27

Food web shows more diversity and various different pathways of energy

Question 28

What is biodiversity?

Answer 28

amount of different species in an area.

Question 29

What two factors influence the amount of biodiversity?

Answer 29

Climate, producers present in the area.

Question 30

Define decomposers

Answer 30

_Organisms that break down and recycle nutrients into the environment.

Question 31

What are two decomposers in an ecosystem

Answer 31

Bacteria and fungi

Question 32

Where is the most abundance of nitrogen?

Answer 32

Atmosphere (air)

Question 33

What do we need nitrogen for?

Answer 33

Making proteins (nutrients)

Question 34

How does the nitrogen get into the soil?

Answer 34

Bacteria concert it from the air

Question 35

What kind of organisms play the largest role in making nitrogen usable for us?

Answer 35

Producers

Question 36

Why do we need the greenhouse effect?

Answer 36

To keep the Earth warm.

Question 37

What are we doing that is making the planet so much warmer?

Answer 37

Burning fossil fuels and deforestation which is increasing greenhouse gases. _