Ecology flashcards

Question 1

Describes living factors in the environment.

Answer 1

Biotic

Question 2

Describes the non-living part of the environment, including water, rocks, light, and temperature.

Answer 2

Abiotic

Question 3

A group or organisms of the same species that live in a specific geographical area.

Answer 3

Population

Question 4

All the populations of species that live in the same habitat and interact with each other.

Answer 4

Community

Question 5

A community of organisms and their abiotic habitat.

Answer 5

Ecosystem

Question 6

The part of Earth where life exists.

Answer 6

Biosphere

Question 7

An organism that eats only plants.

Answer 7

Herbivore

Question 8

An organism that eats animals.

Answer 8

Carnivore

Question 9

An organism that eats both plants and animals.

Answer 9

Omnivore

Question 10

The pathway of energy transfer through various stages as a result of the feeding patterns of a series of organisms .

Answer 10

Food chain

Question 11

A diagram that shows the feeding relationships between organisms and an ecosystem.

Answer 11

Food web

Question 12

A triangular diagram that shows an ecosystem’s loss of energy, which results as energy passes through the ecosystem’s food chain.

Answer 12

Energy pyramid

Question 13

The largest population that an environment can support at any given time.

Answer 13

Carrying capacity

Question 14

An organism that is killed and eaten by another organism.

Answer 14

Prey

Question 15

An organism that eats all or part of another organism.

Answer 15

Predator

Question 16

A relationship between two species in which both species benefit.

Answer 16

Mutualism

Question 17

A relationship between two organisms in which one organism benefits and the other is unaffected.

Answer 17

Commensalism

Question 18

A relationship between two species in which one species, the parasite, benefits from the other species, the host, which is harmed.

Answer 18

Parasitism

Question 19

The evolution of two species that is due to mutual influence, often in a way that makes a relationship more beneficial to both species.

Answer 19

Producers

Question 20

An organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.

Answer 20

Decomposers

Question 21

A barren area of landscape where little precipitation occurs and, consequently, living conditions are hostile for plant and animal life.

Answer 21

Desert

Question 22

The coldest of all the biomes.

Answer 22

Tundra

Question 23

A biome that is always changing.

Answer 23

Temperate deciduous forest

Question 24

Occur in areas of tropical rainforest climate in which there is no dry season

Answer 24

Tropical rainforest

Question 25

Vegetation composed primarily of cone-bearing needle-leaved or scale-leaved evergreen trees, found in areas that have long winters and moderate to high annual precipitation.

Answer 25

Coniferous forest

Question 26

A grassy plain in tropical and subtropical regions, with few trees.

Answer 26

Savanna

Question 27

Areas of open grassy plains that are sparsely populated with trees.

Answer 27

Temperate grassland