Interactions in the Ecosystem

An interaction where one species benefits and the other is harmed

• Symbiosis

• Mutualism

• Commensalism

• Parasitism

As bears feed in the river, leeches attach to their legs. Leeches feed off the bears blood, hurting the bears.

• Mutualism

• Commensalism

• Parasitism

An interaction where both species benefit is called

• Symbiosis

• Mutualism

• Commensalism

• Parasitism

An interaction where one species benefits and the other is neither helped or harmed is called

• Symbiosis

• Mutualism

• Commensalism

• Parasitism

Two different populations of birds live in the same area and eat the same types of food. Which most likely describes the relationship between these two populations of birds?

• competition

• mutualism

• parasitism

• predator-prey

Tags

NGSS.MS-LS2-1

A fig tree that provides shelter and fruit that are essential to the survival of numerous other species is an example of

• A keystone species

• An exotic species

• An indicator species

• An endemic species

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Two different populations of birds live in the same area and eat the same types of food. Which most likely describes the relationship between these two populations of birds?

• competition

• mutualism

• parasitism

• predator-prey

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

An interaction where two species live closely together.

• Symbiosis

• Mutualism

• Commensalism

• Parasitism

Tags

NGSS.MS-LS2-2

Organisms attempting to obtain the same resources such as food, water, and space is an example of...

• Predation

• Competition

• Symbiosis

• Mutualism

Tags

NGSS.MS-LS2-4

When one organism eats another organism for energy

• Predation

• Competition

• Symbiosis

• Mutualism

Tags

NGSS.MS-LS2-3