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BiologyGrade 4en

šŸŒ Communities and Interdependence

Explore the fascinating world of ecological communities, where different species live together and depend on each other for survival. Learn about the relationships that hold nature togetherā€”from helpful partnerships to fierce competition. **What you'll learn:** - What a community is and which organisms belong to it - How organisms help each other through symbiosis, mutualism, and parasitism - Real-world examples of cooperation and competition in nature

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  1. Question 1

    What is a community in biology?

  2. Question 2

    Which of the following is the BEST example of a community?

  3. Question 3

    All the organisms in a community depend on each other for survival.

  4. Question 4

    What is symbiosis?

  5. Question 5

    A clownfish hides in a sea anemone for protection, and the anemone gets food scraps from the clownfish. What type of relationship is this?

  6. Question 6

    What is parasitism?

  7. Question 7

    A mosquito drinks blood from a human. What relationship does the mosquito have with the human?

  8. Question 8

    Cooperation means two organisms work together and both benefit from helping each other.

  9. Question 9

    A lion and a zebra both live in the African savanna. What type of relationship do they have?

  10. Question 10

    Two rabbits living in the same meadow both eat clover. What type of relationship is this?

  11. Question 11

    Bees pollinating flowers is an example of mutualism because the bee gets nectar and the flower gets pollinated to make seeds.

  12. Question 12

    In a pond community, which of the following BEST shows interdependence?

  13. Question 13

    A remora fish attaches to a shark and eats leftover food scraps from the shark's meals, but does not harm the shark. What is this relationship called?

  14. Question 14

    In nature, competition is always bad for both organisms involved.

  15. Question 15

    Which scenario BEST demonstrates how organisms in a community are interdependent?

  16. Question 16

    A tapeworm lives inside a human intestine and feeds on the human's nutrients. The human becomes sick and weak. What type of relationship is this?