quiz one

Question 1

What is an ecosystem?

Answer 1

A system made up of all living and nonliving things in one environment

Question 2

What are biotic factors?

Answer 2

Living things like plants, animals and microbes

Question 3

What are Abiotic factors?

Answer 3

Nonliving things like sunlight, air, water and rocks

Question 4

Define population

Answer 4

A group of the same type of animal or plant

Question 5

Examples of ecosystems

Answer 5

Lakes, oceans, ponds ECT.

Question 6

How is energy transferred in an ecosystem?

Answer 6

Between species as they eat each other for food.

Question 7

What do food chains show?

Answer 7

The movement of energy through arrows

Question 8

What is a Trophic level

Answer 8

A section in an ecosystem where organisms with the same source of energy are grouped

Question 9

define producer

Answer 9

An organism that can make its own food and becomes food for organisms that can’t

Question 10

Define primary consumer

Answer 10

Organisms that eat the producers

Question 11

Define secondary consumer

Answer 11

Organisms that eat the primary consumers and sometimes producers

Question 12

Define tertiary consumer

Answer 12

organisms that eat the secondary level and sometimes primary.

Question 13

Heterotroph

Answer 13

organisms that cannot make their own food and haven to consume others for energy.

Question 14

Autotroph

Answer 14

organisms that can create their own food

Question 15

What percentage of energy gets transferred from one trophic level to the next?

Answer 15

10%

Question 15

List the number sequence if the producers start with 10,000 kcal of energy

Answer 15

1,000, 100, 10

Question 16

which trophic level has the highest amount of available energy?

Answer 16

Producers

Question 17

What is a decomposer

Answer 17

An organism that breaks down other dead organisms for food and uses them to put nutrients into the soil

Question 18

In a food web, arrows show…

Answer 18

the direction of energy flow

Question 19

What is a keystone species?

Answer 19

The most important species in an ecosystem. Organisms depend on these species to survive and they have the biggest impact if removed.

Question 20

What do carnivores eat?

Answer 20

Primary consumers

Question 21

What type of affect do secondary consumers have on producers, and vice versa?

Answer 21

Indirect

Question 22

What is a trophic cascade?

Answer 22

When one level is affected, all levels below are affected

Question 23

A, an-

Answer 23

without, not

Question 24

Ab-

Answer 24

away from

Question 25

Ad, af-

Answer 25

near, toward

Question 26

aero-

Answer 26

air

Question 27

alb-

Answer 27

white

Question 28

algia-

Answer 28

pain

Question 29

amphi-

Answer 29

both

Question 30

anti-

Answer 30

against

Question 31

aqua-

Answer 31

water

Question 32

archae-

Answer 32

ancient

Question 33

What is exponential growth

Answer 33

A graph that has a constant curve upwards and is growing out of control. Is not sustainable.

Question 34

What is logistic growth

Answer 34

A curving graph that changes shapes and is more logistical.

Question 35

What is a slight dip downwards in a logistic graph

Answer 35

Carrying capacity. The max amount of organisms an environment can take.

Question 36

What do logistic graphs show/ experience

Answer 36

environmental resistance or limiting factors.

Question 37

What are density dependent limiting factors

Answer 37

Factors that depend on population. They are mostly biotic.

Question 38

Examples of density dependent limiting factors

Answer 38

food, competition, predation, and disease

Question 39

what are density independent limiting factors

Answer 39

Limiting factors that affect the population size regardless of the density. They are mostly Abiotic factors.

Question 40

examples of density independent factors

Answer 40

weather, climate, seasonal change, natural disasters, and human impact on habitat