Ecology 1

Question 1

The region on Earth where life can exist

Answer 1

Biosphere

Question 2

Is made up of 78% nitrogen and 21% oxygen

Answer 2

Atmosphere

Question 3

Burning fossil fuels releasing carbon dioxide contributes to this cycle

Answer 3

Carbon cycle

Question 4

Plants convert carbon dioxide and water into glucose in this process

Answer 4

Photosynthesis

Question 5

Plants convert glucose to useable energy in this process

Answer 5

Cellular respiration

Question 6

Producers use this energy to make glucose

Answer 6

Radiant energy ie the sun

Question 7

Living factors in an ecosystem

Answer 7

Biotic factors

Question 8

Non-living factors like salt

Answer 8

Abiotic factors

Question 9

Hierarchical display of energy flow

Answer 9

Ecological pyramid

Question 10

Complex food chains

Answer 10

Food webs

Question 11

Tundra, grassland or boreal forest are examples

Answer 11

Biomes

Question 12

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

Answer 12

10%

Question 13

The maximum number of individuals of species that an ecosystem can support

Answer 13

Carrying capacity

Question 14

When one species benefits unaffecting the other species

Answer 14

Commensalism

Question 15

One species benefits from a host species

Answer 15

Parasitism

Question 16

Another word for producer

Answer 16

Autotroph

Question 17

Another word for herbivore

Answer 17

Heterotrophs

Question 18

The range where a population is at its peak within limits

Answer 18

Tolerance range

Question 19

The role a species plays in its ecosystem

Answer 19

Niche

Question 20

The region on Earth where land masses exist

Answer 20

Lithosphere

Question 21

Denitrifying bacteria are a part of this cycle

Answer 21

Nitrogen cycle