Biology

Question 1

Ecological footprint (Definition)

Answer 1

A measure of the impact of an individual or a population on the environment

Question 2

Succession (definition)

Answer 2

The progress by which an ecosystem is gradually replaced over a long period of time

Question 3

Ecology (definition)

Answer 3

The branch of biology that deals with relationships between organisms and their environment

Question 4

Primary succession (definition)

Answer 4

Begins with a bare landscape and ends with a community of organisms that has a maximum productivity

Question 5

Secondary succession (definition)

Answer 5

The same process but a second time

Question 6

Ecosystem

Answer 6

Interaction of a community with local abiotic factors

Question 7

Closed ecosystem

Answer 7

Energy but not matter is exchanged with the surroundings

Question 8

Biome

Answer 8

Large geographical region that contains similar ecosystems due to a distinct climate and similar biotic and abiotic factors

Question 9

Population

Answer 9

All organisms of the same species that live in the same area

Question 10

Community

Answer 10

Populations of different species that live and interact in a certain area

Question 11

Biodiversity

Answer 11

The wide variety of life in a particular ecosystem

Question 12

Biotic

Answer 12

All the living organisms in the environment

Question 13

Abiotic

Answer 13

All the no living components in the environment

Question 14

Carrying capacity

Answer 14

The maximum number of individuals of a species that can be supported by an ecosystem

Question 15

5 factors affecting carrying capacity

Answer 15

-abiotic and biotic factors
-food chains
-interactions
-density
-loss or introduction to a new species

Question 16

Factors affecting population growth

Answer 16

Birth and death and immigration and emigration

Question 17

6 stages of the water cycle

Answer 17

Accumulation, evaporation, transpiration, condensation, precipitation, runoff

Question 18

Photosynthesis equation

Answer 18

Light energy+carbon dioxide+water=oxygen +sugar

Question 19

Cellular respiration equation

Answer 19

Oxygen +sugar=carbon dioxide+water+energy

Question 20

How much nitrogen is in the atmosphere?

Answer 20

75%

Question 21

What is the nitrogen cycle?

Answer 21

The nitrogen cycle describes how it moves between plants animals bacteria atmosphere and soil

Question 22

Denitrification

Answer 22

Extra nitrogen in the soil gets put back into the air

Question 23

Nitrogen fixation

Answer 23

Bacteria change nitrogen into ammonium

Question 24

Ecological niche

Answer 24

The role an organism plays in an ecosystem

Question 25

Extirpated

Answer 25

A species that no longer exists in a specific area

Question 26

Sustainability

Answer 26

The ability to maintain natural ecological balance

Question 27

Green energy

Answer 27

Renewable energy that comes from natural resources ex. Solar power, wind energy

Question 28

4 spheres

Answer 28

Lithosphere
Atmosphere
Biosphere
Hydrosphere

Question 29

Lithosphere

Answer 29

Earth

Question 30

Atmosphere

Answer 30

Air

Question 31

Biosphere

Answer 31

All ecosystems

Question 32

Hydrosphere

Answer 32

Water

Question 33

4 trophic levels

Answer 33

1-primary producers
2-primary consumers
3-secondary consumer
4-tertiary

Question 34

Open ecosystem

Answer 34

Exchanged both energy and matter

Question 35

Closed ecosystem

Answer 35

Only energy is exchanged