Food Webs Relationships

Which of the following describes a predator/prey relationship in a freshwater environment?

• Algae in a lake makes its own food from sunlight.
• Sharks consume smaller fish they catch in the ocean.
• Dragonflies capture and eat mosquito larvae in a river.
• Male fish in a pond fight each other for females.

Tags

NGSS.MS-LS2-3

Phytoplankton are small organisms that make their own food from sunlight and are a food source for whales. 
What is this relationship?

• Terrestrial producer/ consumer
• Marine predator/ prey
• Marine producer/ consumer
• Freshwater parasite/ host

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which of the following describes a parasite/host relationship in a marine environment?

• Copepods feed on the eyes of sharks, blinding them.
• Shrimp feed on plankton, algae and diatoms.
• Kelp grow in large beds, turning sunlight to food.
• Hermit crabs use discarded shells as shelter.

Tags

NGSS.MS-LS2-2

Coyotes hunt to capture small mammals. 
This is an example of which relationship?

• Terrestrial producer/ consumer
• Freshwater predator/ prey
• Freshwater producer/ consumer
• Terrestrial predator/ prey

Tags

NGSS.MS-LS2-2

Which pair of organisms represents a producer/consumer relationship?

• Mouse & grass
• Mouse & snake
• Snake & hawk
• Tree & grass

Tags

NGSS.MS-LS2-3