Interdependencies between species

Question 1

detritivore

Answer 1

an animal that feeds on dead organic matter

Question 2

decomposer

Answer 2

an organsm that breaks down dead or decaying organisms

Question 3

distribution

Answer 3

the spread or orientation of the members of a population in an area

Question 4

what is an ecosystem

Answer 4

when populations assemble into communities interacting with each other and their local environment

Question 5

symbiosis

Answer 5

how two organisms lving close to each other interact

Question 6

mutualism

Answer 6

a relationship where both individuals benefit from interacting with each other

Question 7

commensalism

Answer 7

one benefits from the other without any positive or negative impacts made on the other individuals

Question 8

predation

Answer 8

when one organism hunts and kills another organism for food

Question 9

paraitism

Answer 9

one organism obtains nutrients at the expense of the other organism (host)

Question 10

ectoparasites

Answer 10

lives on the exterior of the host

Question 11

endoparasites

Answer 11

lives inside the host

Question 12

ammensalism

Answer 12

one organism experineces a negative effect and the other experiuences neither a beneficial or negative effect

Question 13

competetion

Answer 13

two or more organisms rivalling for the same pool of resources

Question 14

intraspecific competetion

Answer 14

competetion for resources within a species

Question 15

interspecific competition

Answer 15

competition for resources between different species

Question 16

primary consumers

Answer 16

herbivores that directly eat producers

Question 17

secondary consumers

Answer 17

feed on first order consumers

Question 18

tertiary consumers

Answer 18

feed on second order consumers

Question 19

quaternary consumers

Answer 19

feed on tertiary consumers

Question 20

what is a keystone species

Answer 20

a species whose effects on an ecosystem are greater than expected relative to its population size

Question 21

what are the two types of keystone species

Answer 21

apex predator and ecosystem engineer

Question 22

what is an ecosytem engineer

Answer 22

species that create, modify or destroy habitats and bring together abiotic and biotic factors in an ecosystem

Question 23

what is a seed predator

Answer 23

eats the entire seed, killing the plant

Question 24

micropredation

Answer 24

animals which eats another species but does does kill it