4.2 Vocab

Question 1

Tolerance

Answer 1

the ability to surive and reproduce under a range of environmental circumstances

Question 2

Habitat

Answer 2

the general place where an organism lives

Question 3

niche

Answer 3

the range of physical and biological conditions in which a species lives and the way the species obtains what it needs to survive and reproduce

Question 4

resource

Answer 4

any necessity of life (water, nutrients, light, food, space)

Question 5

competitive exculsion principle

Answer 5

no 2 species can occupy exactly the same niche in exactly the same habitat at exactly the same time, if 2 species occupy the same niche one species will be better at competig for limited resources and eentually exxclude the other species

Question 6

predation

Answer 6

an interaction in which on animal (predator) captures and feeds on another animal (prey)

Question 7

herbivory

Answer 7

an interaction in which one animal (herbivore) feeds on producers (plants)

Question 8

keystone species

Answer 8

a species on which other species on an ecosystem largely depend on such that if it were removed the ecosystem would change drastically

Question 9

symbiosis

Answer 9

any relationship in which 2 species live closely together

Question 10

mutualism

Answer 10

a symbiotic relationship in which both species benefit

Question 11

parasitism

Answer 11

one organism lives on/inside another and harms it

Question 12

commensalism

Answer 12

one organism benefits and the other is neither helped nor harmed