Ecosystem Interactions Exam

Which of the following is an example of mutualism?

• A flea feeding on a cat

• A shark eating a seal

• A bee pollinating a flower

• A bird building a nest in a tree

Tags

NGSS.MS-LS2-2

What kind of relationship is seen between barnacles and whales?

• Parasitism

• Mutualism

• Commensalism

• Competition

In a grassland, two species of birds compete for nesting space in the same type of tree. What type of interaction is this?

• Predation

• Mutualism

• Competition

• Parasitism

Which pair represents predator and prey?

• Cow and grass

• Lion and zebra

• Bee and flower

• Tick and dog

Tags

NGSS.MS-LS2-4

A leech attaches to a fish and feeds on its blood, harming the fish. What kind of relationship is this?

• Parasitism

• Commensalism

• Mutualism

• Competition

A bird building a nest in a tree without affecting the tree is an example of:

• Mutualism

• Commensalism

• Parasitism

• Competition

Which of the following is a producer?

• Mushroom

• Rabbit

• Oak tree

• Snake

Tags

NGSS.MS-LS2-3

A decomposer helps an ecosystem by:

• Providing energy to plants

• Breaking down dead matter and recycling nutrients

• Eating primary consumers

• Hunting small animals

Tags

NGSS.MS-LS2-3

In a food web, energy flows from:

• Decomposers → Producers

• Consumers → Producers

• Sun → Producers → Consumers

• Tertiary consumers → Secondary consumers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A deer eats plants in a meadow. What is the deer’s role in the food chain?

• Producer

• Secondary consumer

• Primary consumer

• Decomposer