Organism Relationships

What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.

• commensalism

• mutualism

• parasitism

• predation

Remoras attach themselves to a shark’s body. They then travel with the shark and feed on the leftover food scraps from the shark’s meals. The relationship neither harms nor benefits the shark. 

• parasitism

• commensalism

• mutualism

Use the diagram answer the question.
What is a fitting description for this diagram?

• Food Chain

• Ecosystem

• Food Web

• Biotic and Abiotic Factors

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

The frog is a?

• Producer

• Consumer

• Decomposer

Tags

NGSS.MS-LS2-1

Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.

• mutualism

• commensalism

• competition

• parasitism

Tags

NGSS.MS-LS2-2

A species that has a disproportionately large effect on community structure relative to their abundance.

• Pioneer Species

• Invasive Species

• Keystone Species

• Foundation Species

Tags

NGSS.MS-LS2-4

Which symbols best describe commensalism?

• +, +

• +, -

• +, 0

• 0, 0

Which symbiotic relationship is when one organism benefits and the other is not impacted (positively or negatively)?

• Predation

• Mutualism

• Commensalism

• Parasitism

Which symbols best describe parasitism?

• +,+

• +,-

• +,0

• -,0

Tags

NGSS.MS-LS2-2

organisms that relies on other organisms for food; consumer

• herbivore

• decomposer

• heterotroph

• species

Tags

NGSS.MS-LS2-3