Symbiosis: Science 7

1. Symbiosis is:

• A relationship between animals and their habitat

• A relationship between two species in a community

• A relationship between species in a community that have no interaction

• A relationship between two organisms that live in fear of each other

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NGSS.MS-LS2-2

Which general term is a relationship between two species where at least one of the two species benefits?

• mutualism

• commensalism

• symbiosis

• parasitism

____________ is a symbiotic relationship in which two different species cooperate and both benefit.

• commensalism

• parallelism

• mutualism

• parasitism

Which is NOT an example of a symbiotic relationship?

• mutualism

• commensalism

• parasitism

• organism

The organism that a parasite feeds off of is the

• vein

• host

• white blood cells

• producer

What type of symbiotic relationship describes an interaction between two organisms where one is benefited and the other is not affected?

• symbiosis

• commensalism

• mutualism

• parasitism

What is a relationship in which one organism benefits and the other is neither harmed or helped?

• commensalism

• competition

• mutualism

• parasitism

The symbiotic relationship between people and mosquitoes is an example of

• mutualism

• host

• parasitism

• commensalism

When a tick lives on a dog, the symbiosis can be described as

• mutualism, with the tick and the dog as co-hosts.

• predation, with the tick as predator and the dog as prey.

• parasitism, with the dog as parasite and the tick as host.

• parasitism, with the dog as host and the tick as parasite.

Ants and acacia trees have a mutualistic relationship. The plant provides the ants with a nest and food. The ants defend the plant from predators. Which statement below explains this relationship?

• They are part of the same ecosystem.

• The acacia tree does not benefit from the ant.

• The ants harm the acacia tree

• They both benefit from living with each other.

Tags

NGSS.MS-LS2-2