Community Interactions and Population Dynamics

Population

• The ability of an organism, population, community, or ecosystem to persist in the face of stressful or changing conditions

• A group of organisms that are similar to one another and can mate to produce offspring

• Characterized by constant change, activity, or progress

• A group of interacting individuals of the same species located in the same area

When more than one individual or population in

an ecosystem relies on the same limited

resources Is Competition

• True

• False

Tags

NGSS.MS-LS2-1

Competition is

• A relationship between organisms or species that

  is helpful to both

• When more than one individual or population in

  an ecosystem relies on the same limited

  resources

Tags

NGSS.MS-LS2-1

Predation is…

• The interaction between two animals in which one

  animal eats the other

• A relationship between organisms or species that

  is helpful to both

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

If the number of births in a population is the same as the number of deaths in a population, what will happen to the growth of the population?

• It will increase.

• It will decrease.

• It will stay the same.

• It will fluctuate.

When more than one individual or population in

an ecosystem relies on the same limited

resources thats called…

• Competition

• Parasitism

• Predation

Tags

NGSS.MS-LS2-1

The ability of an organism, population, community, or ecosystem to persist in the face of stressful or changing conditions

• Resilience

• Ecosystem

• Dynamic

• Population

Tags

NGSS.MS-LS4-4

Characterized by constant change, activity, or progress

• Ecosystem

• Dynamic

• Species

• Resilience

Tags

NGSS.MS-LS2-3

Interrelated changes among the biotic and abiotic

factors in an ecosystem over time

• Ecosystem Dynamics

• Succession

• Deforestation

• Commensalism

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Parasitism Is

• A relationship between organisms of different species

  where one organism benefits at the expense of the

  other

• The interaction between two animals in which one

  animal eats the other

Tags

NGSS.MS-LS2-4