Organism Relationships

What is Symbiosis?

• A type of close and long-term biological interaction between 2 different species

• A relationship in which one species benefits from the other without harming or benefiting the other species.

• A relationship in which each organism benefits

• An interaction in which on organism is harmful to the other

What is mutualism?

• An interaction in which each organism benefits

• An interaction in which one species benefits without harming or benefitting the other

• An interaction in which one organism benefits while harming the other

Tags

NGSS.MS-LS2-2

What is commensalism?

• An interaction in which each organism benefits

• An interaction in which one species benefits, but does help or harm the other

• An interaction in which one organism benefits at the expense of the other

What is parasitism?

• An interaction in which both species benefit

• An interaction in which one species benefits but the other is not harmed or helped

• An interaction in which one species benefits while harming the other

Tags

NGSS.MS-LS2-2

Use the marine food web to answer the following:

Phytoplankton are considered plants while zooplankton is considered animals. In this food web who are the producers?

• Phytoplankton and zooplankton

• Phytoplankton and seaweed

• Seaweed and crab

• Zooplankton and krill

Tags

NGSS.MS-LS2-3

Use the food web to answer the following:

Primary consumers eat producers. How many primary consumers are in this food web?

• 2

• 3

• 4

• 5

Use the picture to answer the following:

Krill is a shrimp-like animal. Which animals in this food web eat krill for energy?

• Sea leopard and penguin

• Fish and sea leopard

• Squid and elephant seal

• Fish and blue whale

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Use the picture to answer the following:

What is the relationship between the sea weed and crab?

• Predator/Prey

• Parasitism

• Consumer/Producer

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

What is the relationship between the killer whale and the leopard seal?

• Predator/Prey

• Parasitism

• Consumer/Producer

Tags

NGSS.MS-LS2-2

Who is a producer in this food web?

• Giant Panda

• Red Panda

• Fern

• Grasshopper

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3