Animal anatomy

Question 1

organism

Answer 1

An individual. ex. pet, person, or bacteria

Question 2

population

Answer 2

A group of organisms of the same species living together

Question 3

communities

Answer 3

populations of different species that coexist ex. rural

Question 4

Ecosystem

Answer 4

marine, desert, forest, tundra, etc. More complex than communities. includes non-living things as well

Question 5

biosphere

Answer 5

layer of air, land, and water that envelopes the earth

Question 6

Niche

Answer 6

The role an organism has in nature (in it’s habitat)

Question 7

predation

Answer 7

predators obtain energy and nutrients by eating prey

Question 8

competition

Answer 8

two species going after the same resource

Question 9

symbiotic relationship

Answer 9

Two different species interact and sometimes totally rely on each other.

Question 10

parasitism

Answer 10

Get energy and nutrients from their host but good ones will not kill you.

Question 11

mutualism

Answer 11

interaction where both species benefit

Question 12

commensalism

Answer 12

one benefits and the other is neither harmed or benefits

Question 13

limited resource

Answer 13

The resource in a population that limits how large the population can become.

Question 14

carrying capacity

Answer 14

The size of a population that a habiat can support

Question 15

Density-independent

Answer 15

limiting factor that does not depend on population size (flood, fire, hail)

Question 16

density-dependent

Answer 16

Limiting factors that depend on population size. (disease, parasites, and predators)