13A Ecological Relationships Vocabulary*

Match the following

• organism

• A close relationship between two species that benefits at least one of the species.

• niche

• An organism's particular role in an ecosystem, or how it makes its living.

• competition

• Interaction among organisms that vie for the same resource in an ecosystem (food, living space etc)

• predation

• An interaction in which one organism kills another for food.

• symbiosis

• Any living thing

Tags

NGSS.MS-LS2-2

Match the following

• mutualism

• competition between members of the same species

• commensalism

• A relationship between two organisms in which one organism benefits and the other is unaffected

• interspecific

• A relationship between two organisms of different species where one benefits and the other is harmed

• parasitism

• competition between members of different species

• intraspecific

• A relationship between two species in which both species benefit

Pseudoscorpions often hitch rides on the backs of large beetles or true bugs. What is the ecological relationship?

• Mutualism
• Commensalism
• Parasitism
• Cooperation

Cows and pronghorn both eat the same types of food in areas of Utah. What is the ecological relationship?

• Cooperation
• Parasitism
• Commensalism
• Competition

Tags

NGSS.MS-LS2-1

Ants protect soft bodied aphids and in return the aphids feed the ants a sugary drink. What is the ecological relationship?

• Cooperation
• Parasitism
• Commensalism
• Mutualism

What is the ecological relationship shown in this image of a robberfly and beetle?

• Cooperation
• Parasitism
• Predator-prey
• Competition

Tags

NGSS.MS-LS2-2

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An animal that feeds on what another animal has killed is known as a:

• Scavenger
• Mutualist
• Decomposer
• Parasite

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

A mosquito feeds off of the blood of different organisms. This usually causes discomfort to the organism and sometimes disease and death. This is an example of:

• Parasitism
• Decomposition
• Commensalism
• Mutualism

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

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

• Biodiversity
• Symbiosis
• Predation
• Emigration

Tags

NGSS.MS-LS2-2