Ecological Relationship

Plover birds typically eat parasites trapped inside of crocodiles' mouths. The plover receives a meal, while the crocodile is rid of parasites. What type of ecological relationships does this scenario represent?

• Mutualism

• Predator/Prey

• Competition

• Commensalism

A relationship that describe a close interaction between two different species is known as what?

• Biodiversity

• Symbiosis

• Predation

• Emigration

Tags

NGSS.MS-LS2-2

The organism that is hunted and eaten in a particular feeding relationship is known as:

• Predator

• Decomposer

• Prey

• Autotroph

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

Which symbols best describe parasitism?

• +, +

• +, -

• +, 0

• -, 0

Tags

NGSS.MS-LS2-2

Which symbols best describe commensalism?

• +, +

• +, -

• +, 0

• 0, 0

Tags

NGSS.MS-LS2-2

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

• Predation

• Mutualism

• Commensalism

• Parasitism

organisms that relies on other organisms for food; consumer

• herbivore

• decomposer

• heterotroph

• species

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Organisms that relies on other organisms for food; consumer

• herbivore

• decomposer

• heterotroph

• species

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