*Unit 10 Part 1: Ecology

Question 1

Ecology

Answer 1

The study of how organisms interact with each other and their environments

Question 2

Biotic

Answer 2

living factors

Question 3

List 3 examples of biotic factors

Answer 3

~predators/prey
~mates
~plants

Question 4

Abiotic

Answer 4

non-living factors

Question 5

List 3 examples of abiotic factors

Answer 5

~water
~light
~soil

Question 6

List the levels of organization

Answer 6

1. Organism
2. Population
3. Community
4. Ecosystem
5. Biome
6. Biosphere

Question 7

Population

Answer 7

all organisms of one species that live in an area

Question 8

Community

Answer 8

all of the living organisms (population) in an area

Question 9

Ecosystem

Answer 9

all biotic and abiotic factors in an area

Question 10

Biome

Answer 10

major region characterized by specific plants, animals, and climate

Question 11

Biosphere

Answer 11

all areas of the Earth that can sustain life

Question 12

List the four steps of the water cycle.

Answer 12

1. Evaporation
2. Condensation
3. Precipitation
4. Transpiration

Question 13

Evaporation

Answer 13

liquid water is changed to water vapor (gas)

Question 14

Condensation

Answer 14

water vapor condenses to a liquid in the clouds

Question 15

Precipitation

Answer 15

liquid water falls from sky to earth

Question 16

Transpiration

Answer 16

evaporation of water from the leaves of plants

Question 17

List the three steps of the carbon cycle.

Answer 17

1. Carbon fixation
2. Respiration
3. Burning of fossil fuels

Question 18

Carbon fixation

Answer 18

CO₂ captured from atmosphere by plants in photosynthesis

Question 19

Respiration

Answer 19

releases CO₂ into the atmosphere (performed by ALL ORGANISMS)

Question 20

What does burning of fossil fuels in the Carbon Cycle do?

Answer 20

releases stored carbon for millions of year into the atmosphere
ex. oil, gas, coal

(basically humans ruin everything)

Question 21

Where is the most carbon held?

Answer 21

in the ocean

Question 22

Nitrogen Fixation

Answer 22

bacteria capture nitrogen from the atmosphere for plants to use

Question 23

Denitrification

Answer 23

bacteria release nitrogen back into the atmosphere

Question 24

List the steps of the nitrogen cycle

Answer 24

1. Nitrogen fixation
2. Other organisms get nitrogen by consuming plants
3. Denitrification