Organisms and Populations in an Ecosystem Depend on and May Compete

Which of the following is NOT a symbiotic relationship?

• Competition

• Commensalism

• Mutualism

• Parasitism

Tags

NGSS.MS-LS2-2

What term describes organisms striving for the same limited resources?

• Competition

• Predation

• Mutualism

• Commensalism

Tags

NGSS.MS-LS2-1

Commensalism is a symbiotic relationship in which what occurs between the organisms?

• both organisms are harmed

• one benefits, the other is unaffected

• one benefits, the other is harmed

• one benefits by eating the other

Tags

NGSS.MS-LS2-2

When the population of predators gets too high...

• Prey pop. will increase--> predator pop. will increase

• Prey pop. will decrease--> predator pop. will increase

• Prey pop. will decrease--> predator pop. will decrease

• It depends on the biome

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

A relationship in which two species live closely together.

• resource
• mutualism
• succession
• symbiosis

In this picture, the ZEBRA is the __________________

• predator
• prey

Tags

NGSS.MS-LS2-4

Lion and Zebra - The lion hunts and kills the zebra for its food. This is an example of? 

• predator-prey
• mutualism
• commensalism
• parasitism 

Tags

NGSS.MS-LS2-2

nonliving factors that affect the ecosystem; includes light, space, temperature, shelter, water, and soil composition

• Abiotic Factors

• Biodiversity

• Biotic Factors

• Dynamic

Tags

NGSS.MS-LS2-3

more than one individual or population in an ecosystem that relies upon the same limited resources

• Competition

• Population

• Biodiversity

• Recycling

Tags

NGSS.MS-LS2-1

factors that are living or produced by living things

• Biotic Factors

• Abiotic Factors

• Population

• Community

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4