How Populations Interact

Species A benefits and species B is harmed but not killed.

• commensalism

• mutualism

• parasitism

• predation

Species A benefits and species B is killed.

• Competition

• Mutualism

• Commensalism

• predation

Species A and B negatively affect each other.

• Mutualism

• Commensalism

• Competition

• Predation

Species A and B both benefit.

• Commensalism

• Mutualism

• Parasitism

• competition

Tags

NGSS.MS-LS2-2

Species A benefits and species B is unaffected.

• Mutualism

• Competition

• commensalism

• parasitism

When two species in an area eat the same type of food but eat at different times of the day, they...

• eliminated competition

• are examples of commensalism

• are competing indirectly

• are the same

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

Food, water, sunlight, shelter, and space are resources that are often __________.

• limiting factors
• wet
• messy
• found in rocks

Tags

CCSS.RI.7.4

CCSS.RL.7.4

CCSS.RI.8.4

CCSS.RL.6.4

CCSS.RL.8.4

The ecological role an organism performs in their specific environment is considered the organism's...

• Habitat

• Population

• Biome

• Niche

Tags

NGSS.MS-LS2-2

A relationship in which two different organisms live in close association with each other is known as...

• Interspecific competition

• Mutualism

• Symbiosis

• Commensalism

Tags

NGSS.MS-LS2-2

The ecological niches of three bird species are shown in the diagram. What is the advantage of each bird species having a different niche?

• As more birds feed higher in the tree, available energy increases.
• More abiotic resources are available for each bird.
• Predators are less likely to feed on birds in a variety of locations.
• There is less competition for food.

Tags

NGSS.MS-LS2-1