Populations and Ecosystems

0.0(0)
Studied by 0 people
call kaiCall Kai
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
GameKnowt Play
Card Sorting

1/34

encourage image

There's no tags or description

Looks like no tags are added yet.

Last updated 1:01 AM on 5/13/26
Name
Mastery
Learn
Test
Matching
Spaced
Call with Kai

No analytics yet

Send a link to your students to track their progress

35 Terms

1
New cards

parasitism

A relationship in which one organism lives on or in a host and harms it.

<p>A relationship in which one organism lives on or in a host and harms it.</p>
2
New cards

niche

An organism's particular role in an ecosystem, or how it makes its living.

<p>An organism's particular role in an ecosystem, or how it makes its living.</p>
3
New cards

competition

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

<p>the struggle between organisms to survive in a habitat with limited resources</p>
4
New cards

examples of predators

herbivores, carnivores, and omnivores

<p>herbivores, carnivores, and omnivores</p>
5
New cards

predator vs. prey, competition, and symbiosis

types of interactions between living organisms

<p>types of interactions between living organisms</p>
6
New cards

symbiotic relationships

mutualism, commensalism, parasitism

<p>mutualism, commensalism, parasitism</p>
7
New cards

adaptation

A trait that helps an organism survive and reproduce

<p>A trait that helps an organism survive and reproduce</p>
8
New cards

natural selection

A process in which individuals that have certain inherited traits tend to survive and reproduce at higher rates than other individuals because of those traits.

<p>A process in which individuals that have certain inherited traits tend to survive and reproduce at higher rates than other individuals because of those traits.</p>
9
New cards

example of commensalism

Remora and shark - remora gets food shark discards

<p>Remora and shark - remora gets food shark discards</p>
10
New cards

Sun

the primary source for all energy transfer on Earth

<p>the primary source for all energy transfer on Earth</p>
11
New cards

ecosystem

all organisms and nonliving entities that occur and interact in a particular area at the same time

<p>all organisms and nonliving entities that occur and interact in a particular area at the same time</p>
12
New cards

organism

the smallest component of an ecosystem

<p>the smallest component of an ecosystem</p>
13
New cards

population

A group of individuals that belong to the same species and live in the same area

<p>A group of individuals that belong to the same species and live in the same area</p>
14
New cards

population density

The total number of individuals in an area of a specific size

<p>The total number of individuals in an area of a specific size</p>
15
New cards

indirect observation

using evidence of organisms such as footprints to estimate population size

<p>using evidence of organisms such as footprints to estimate population size</p>
16
New cards

limiting factors

food, water, space, weather

<p>food, water, space, weather</p>
17
New cards

carrying capacity

Largest number of individuals of a population that a environment can support

<p>Largest number of individuals of a population that a environment can support</p>
18
New cards

emigration

movement of individuals out of a population

<p>movement of individuals out of a population</p>
19
New cards

mark and recapture

capturing and marking organisms, then recapturing them and counting how many are marked

<p>capturing and marking organisms, then recapturing them and counting how many are marked</p>
20
New cards

examples of abiotic factors

water, soil, light , minerals, wind, air, temperature, pollution, etc.

<p>water, soil, light , minerals, wind, air, temperature, pollution, etc.</p>
21
New cards

ecology

The study of how living things interact with each other and their environment

<p>The study of how living things interact with each other and their environment</p>
22
New cards

biotic factors

All the living organisms that inhabit an environment

<p>All the living organisms that inhabit an environment</p>
23
New cards

species

A group of similar organisms that can breed and produce offspring.

<p>A group of similar organisms that can breed and produce offspring.</p>
24
New cards

community

All the different populations that live together in an area

<p>All the different populations that live together in an area</p>
25
New cards

habitat

Place where an organism lives

<p>Place where an organism lives</p>
26
New cards

birth rate

the number of births in a population in a certain amount of time

<p>the number of births in a population in a certain amount of time</p>
27
New cards

death rate

The number of deaths in a population in a certain amount of time

<p>The number of deaths in a population in a certain amount of time</p>
28
New cards

immigration

Moving into a population

<p>Moving into a population</p>
29
New cards

predation

An interaction in which one organism kills another for food.

<p>An interaction in which one organism kills another for food.</p>
30
New cards

prey

an animal that is hunted and killed by another for food

<p>an animal that is hunted and killed by another for food</p>
31
New cards

parasite

An organism that lives on or in a host and causes harm to the host

<p>An organism that lives on or in a host and causes harm to the host</p>
32
New cards

host

An organism on which a parasite lives.

<p>An organism on which a parasite lives.</p>
33
New cards

commensalism (+/o)

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

<p>A relationship between two organisms in which one organism benefits and the other is unaffected</p>
34
New cards

mutualism (+/+)

A relationship between two species in which both species benefit

<p>A relationship between two species in which both species benefit</p>
35
New cards

sampling

a way to estimate population density by looking at a small part of the population and drawing conclusions about the whole population

<p>a way to estimate population density by looking at a small part of the population and drawing conclusions about the whole population</p>