ecology flashcards

Question 1

Ecology

Answer 1

The study of interactions between organisms and the environment.

Question 2

Species

Answer 2

One type of organism

Question 3

Biotic factor

Answer 3

all the parts of the environment that are living

Question 4

Abiotic factor

Answer 4

all the parts of the environment that are nonliving

Question 5

habitat

Answer 5

the place where an organism lives in a community

Question 6

population

Answer 6

all the organisms of the same species living in the same place at the same time

Question 7

community

Answer 7

all the populations that live in the same place at the same time

Question 8

ecosystem

Answer 8

a community interacting with the abiotic parts of its environment, (all the biotic and abiotic parts of an area)

Question 9

energy pyramid

Answer 9

diagram showing trophic level / level in food chain

Question 10

sun

Answer 10

main source of energy for all living things

Question 11

Producer

Answer 11

makes it own food autotroph

Question 12

Photosynthesis

Answer 12

the process of food making in producers

Sunlight + CO₂ (carbon dioxide) + H₂O (Water) →

sugar (energy) + O₂ (oxygen)

Question 13

Consumer

Answer 13

an organism that eats other organisms (heterotroph)

Question 14

herbivore

Answer 14

an organism that only eats plants

Question 15

Carnivore

Answer 15

an organism that only eats animals.

Question 16

scavenger

Answer 16

an organism that eats organisms that are already dead.

Question 17

omnivore

Answer 17

an organism that eats both plants and animals

Question 18

decomposer

Answer 18

an organism that breaks down the remains of dead plants and animals (recycles)

Question 19

food chain

Answer 19

the transfer of energy (food) from one organism to another

Question 20

food web

Answer 20

when different chains overlap

Question 21

competition

Answer 21

the contest among organisms among organisms to get all they need to survive

Question 22

niche

Answer 22

the role (job) a species has within a community

Question 23

predator

Answer 23

an organism that kills and eats prey to obtain energy

Question 24

prey

Answer 24

an organism that gets eaten by a predator

Question 25

limiting factors

Answer 25

an environmental factor that causes the population to decrease

Question 26

symbiosis

Answer 26

a relationship where food, shelter, support or transportation is provided for one or both organisms

Question 27

natural selection

Answer 27

the struggle between organisms to survive in a habitat with limited resources

process in which a species become better suited to its environment