Quiz #8 Relationships in Ecosystems

Humman birds and flowers have a mutualistic relationship. What would happen to the population of flowers as the population of humming birds increased?

• Flower population would increase

• Flower population would decrease

• Flower population stays the same

• Flower population goes extinct

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Tapeworms and dogs have a parasitic relationship. The tapeworm lives in the intestine of the dog and absorbs nutrients from the food the dog eats. Describe the outcome of this relationship...

• The tapeworm and dog help each other survive.

• The tapeworm and dog are BOTH healthy.

• The dog becomes ill, and the tapeworm benefits.

• The dog and tapeworm BOTH become ill.

Which interaction benefits both organisms?

• A flea living on a dog
• A bee pollinating a flower
• A tapeworm living inside an animal
• A mosquito biting a person

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NGSS.MS-LS2-2

A 3-point buck is killed by a hunter. What type of symbiotic relationship is this?

• mutualsim

• commensalism

• parasitism

• predation

A mistletoe plant attaches itself to a spruce tree causing harm by absorbs the tree’s water and nutrients. What type of relationship does this describe?

• Mutualism

• Commensalism

• Parasitism

Predation is similar to _______________ in that both types of relationship benefit one of the interacting species while the other is harmed.

• Parasitism

• Commensalism

• Mutualism

Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.

• mutualism
• commensalism
• competition
• parasitism

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A relationship between two organisms in which one organism benefits and the other is unharmed...

• Mutualism 
• Competition
• Parasitsm 
• Commensalism 

Lions and cheetahs both prefer having gazelles as snacks. What best describes their relationship?

• Dependent Relationship

• Interspecific Competition

• Intraspecific Competition

• Predator Prey Relationship

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NGSS.MS-LS2-2

What kind of factor is sunlight?

• Abiotic

• Biotic

• BOTH Abiotic & Biotic

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