Biology

8th

grade

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Relations in a Food Web 1

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  • 1. Multiple Choice
    30 seconds
    1 pt
    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.
  • 2. Multiple Choice
    30 seconds
    1 pt
    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
  • 3. Multiple Choice
    30 seconds
    1 pt
    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.
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