Mutualism, Parasitism, Commensalism

Which of the following symbiotic relationships is considered parasitic?

• Ticks feeding on a dog
• Bees transporting pollen from flowers
• Pilotfish swimming under sharks
• Birds eating the insects fromo the back of hippo

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NGSS.MS-LS2-2

Maria and her classmates are observing animals at the pond. They notice that wood storks and ibisies both feed on fish. Which of these describes the relationship between these two birds.

• Parasitism
• Competition
• Predator and prey
• Producer and consumer

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NGSS.MS-LS2-1

NGSS.MS-LS2-2

Which of these describes a mutually beneficial relationship between two organisms?

• A dog with worms in its intestine
• A turtle and a snail that both eat grass live in a river
• A honeybee pollinating a plant and receiving nectar for food
• A small fish attached to a shark, eating tiny pieces of the shark's food as it floats

Which pair of organisms listed below are competitors for the same natural resources?

• Ticks and dogs
• Lions and leopards
• Honeybees and flowers
• Salmon and brown bears

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NGSS.MS-LS2-1

After walking through a field, you find a tick attached to your leg. What is the tick's relationship to you?

• Predator
• Decomposer
• Producer
• Prey

Which of the examples below can BEST be described as mutualism between animals?

• A tapeworm lives in the intestine of a bird and consumes the food that the bird has eaten
• Mountain lions and wolves fight each other for the same deer
• A bird eats parasites off a rhinoceros while the rhinoceros provides protection to the bird
• Rats live in the garbage dump of a town and rarely interact with people

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NGSS.MS-LS2-2

An organism that kills and eats another for food

• Predator
• Prey
• Parasite
• Plant

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NGSS.MS-LS2-2

NGSS.MS-LS2-3

An organism that is killed and eaten by another organism

• Predator
• Prey
• Parasite
• Host

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NGSS.MS-LS2-3

Occurs when 2 or more organism use the same resource

• Competition
• Mutualism
• Commensalism
• Parasitism

A close long term association between 2 or more species

• Mutualism
• Commensalism
• Symbiosis
• Parasitism