Ecological Relationship

Mistletoe takes water and nutrients from the spruce, harming the tree. This is an example of -

• Mutualism

• Commensalism

• Parasitism

• Predation

Type of relationship: A wolf eating a rabbit.

• Predator/prey

• Parasite/host

• Producer/consumer

• Competitors

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Type of relationship: cow eating grass.

• Predator/prey

• Parasite/host

• Producer/consumer

• Competitors

Tags

NGSS.MS-LS2-3

In a predator-prey relationship, when the population of the predator increases, the population of the prey will ____________.

• Increase

• Remain Stable

• Decrease

• Change unpredictably

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

______________ occurs when more than one individual or population tries to use the same limited resource.

• Niche

• Predator-prey

• Availability

• Competition

Which of the following symbol sets best represents parasitism?

• +/+

• +/-

• +/0

• -/-

Tags

NGSS.MS-LS2-2

Which of the following is true about competition?

• Controls population size

• Ensures everyone eats

• Keeps everyone happy

• Is only between 2 males

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

An organism that helps to recycle nutrients within an ecosystem by eating dead or decaying organisms is a:

• Predator

• Autotroph

• Producer

• Decomposer

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

This is known as a relationship in which one organism benefits, while the other is unaffected.

• Parasitism

• Mutualism

• Immigration

• Commensalism

This is known as a relationship in which both organisms involved benefit. 

• Predator-Prey

• Commensalism

• Mutualism

• Decomposition

Tags

NGSS.MS-LS2-2