Ecology

Question 1

The position of a species within an ecosystem

Answer 1

Niche

Question 2

Capture energy from the sun or from chemicals and store it in the bonds of sugars making energy available to the rest of the community.

Answer 2

Primary Producers

Question 3

Process by which primary producers use sunlight to convert carbon dioxide and water into sugars releasing oxygen along the way

Answer 3

Photosynthesis/Chemosynthesis

Question 4

Process by which organisms use oxygen to release the chemical energy from sugars such as glucose, releasing carbon dioxide and water as a byproduct.

Answer 4

Cellular Respiration

Question 5

Organism that consumes producers

Answer 5

Herbivores

Question 6

Organisms that rely on other organisms for energy and nutrients are called heterotrophs or…

Answer 6

Consumers

Question 7

secondary and tertiary consumers kill and eat other animals

Answer 7

Carnivores

Question 8

Animals that eat both plant and animal food

Answer 8

Omnivores

Question 9

Consume detritus nonliving organic matter

Answer 9

Detritivores

Question 10

Break down nonliving matter into simpler parts that can be taken up and reused by primary producers

Answer 10

Decomposers

Question 11

is it’s rank in a feeding hierarchy

Answer 11

trophic level (Pyramid of energy)

Question 12

The total amount of living tissue a trophic level contains

Answer 12

Biomass

Question 13

Linear series of feeding relationship

Answer 13

Food chain

Question 14

Visual map of feeding relationship and energy flow

Answer 14

Food web

Question 15

A species that has strong or wide-reaching impact on a community

Answer 15

Keyston species

Question 16

When a comunity experiences a somewhat predictable series of changes over time

Answer 16

Succesion

Question 17

when a disturbance is so severe that no vegetation or soil life remains

Answer 17

Primary succession

Question 18

species that colonize the newly exposed land

Answer 18

Pioneer species

Question 19

Begins with a disturbance, the soil from the previous ecosystem remains

Answer 19

secondary succession

Question 20

A stable community that completes the succession process

Answer 20

Climax Comunities

Question 21

Nonnative organism that spreads widely in a community

Answer 21

Invasive species

Question 22

Describes the average conditions including temperature and precipitation over long periods in a given area

Answer 22

Climate

Question 23

day to day conditions in earth’s atmosphere like sunny and humid or cold and snowy

Answer 23

Weather

Question 24

climate diagrams to describe the conditions in a biome

Answer 24

Climatographs

Question 25

Group of ecosystems that share similar abiotic and biotic conditions

Answer 25

Biome

Question 26

Is the organic matter or biomass that remains after cellular respiration

Answer 26

Net primary production

Question 27

When animals slow their activity for the hot, dry summer months

Answer 27

Estivation

Question 28

sleeplike state that an animal enters for most of the winter

Answer 28

Hibernation

Question 29

froze surface soils

Answer 29

Permafrost

Question 30

When trees lose their leaves and stop photosynthesis during part of the year

Answer 30

Deciduous

Question 31

Describes the number of individual organisms present in a given population at a given time

Answer 31

Population Size

Question 32

Describes the number of individuals within a population per unit area

Answer 32

Population Density

Question 33

Describes how organisms are arranged within an area (random, uniform, clumped)

Answer 33

Population Distribution/ Dispersion

Question 34

Describes the relative number of organisms of
each age within a population

Answer 34

Age Structure

Question 35

Proportion of males to females

Answer 35

Sex ratio