Animal Relationships

Mutualism

• When two species both benefit from a relationship

• When one organism lives in or on another organism and harms it in some way

• An organism harmed by a parasite

• Two species try to use the same resources

Tags

NGSS.MS-LS2-2

Host

• The organism harmed by a parasite

• Two species having a close living relationship

• When two species try to use the same limited resource

• When two organism lives in or on another organism and neither is harmed nor helped

Commensalism

• When two organism lives in or on another organism and neither is harmed nor helped

• Two species having a close living relationship

• The organism harmed by the parasite

• Two organisms trying to use the same resources

Tags

NGSS.MS-LS2-2

Parasitism

• One organism lives in or on another organism and harms it in some way

• When two organism lives in or on another organism and neither is harmed nor helped

• Two organisms competing for the same limited resource

• Two species both benefit from a close living relationship

Tags

NGSS.MS-LS2-4

Symbiosis

• When two species have a close living relationship

• When two organism lives in or on another organism and neither is harmed nor helped

• The organism harmed by a parasite

• An organism that harms the living thing it has a close relationship with

Competition

• When two species try to use the same limited resources

• When two organism lives in or on another organism and neither is harmed nor helped

• When two organisms both benefit from a relationship

• An organism harmed by a parasite

Tags

NGSS.MS-LS2-2

Tapeworms live on dogs and other animals.

• True

• False

Tags

NGSS.MS-LS2-4

Do tapeworms reproduce through a simple life cycle with one host?

• Yes

• No

• Maybe

• Maybe not

Tapeworms live on dogs and other animals.

• True

• False

Do parasites transmit diseases that are more harmful than the parasite itself?

• Yes

• No

• Maybe

• Maybe Not