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2.1 Review

2.1 Review. The _________ factors that affect an organism include other living organisms or species in that organism’s community. A. Biotic C. Parasitism B. Abiotic D . Mutualism. BIOTIC.

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2.1 Review

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  1. 2.1 Review

  2. The _________ factors that affect an organism include other living organisms or species in that organism’s community. • A. Biotic C. Parasitism • B. Abiotic D. Mutualism

  3. BIOTIC

  4. A bird fluffs its feathers to trap warm air close to its body. The temperature of the air next to the bird’s skin is an _________________factor. • A. Biotic C. Parasitism • B. Abiotic D. Predation

  5. Abiotic

  6. The species interaction based on helping each other is called__________ . • A. Mutualism B. Commensalism • C. Predation D. Parasitism

  7. Mutualism

  8. Some birds are known as honey guides because they may be followed by humans to wild beehives. When the humans take honey from the hives, the birds are able to feast on the honey and bees, too. This type of relationship can best be described as ____.

  9. Cougars are predators that often eat weakened or diseased animals. This is a description of the____of cougars.

  10. Figure 2-2 The group of animals in Figure 2-2 is an example of what?

  11. population

  12. flea Figure 2-4 The Flea shown in Figure 2-4 is involved in which type of symbiosis?

  13. parasitism

  14. Which of the following information could be included in the description of a grasshopper’s niche, but not in a description of its habitat?

  15. plant species it eats

  16. Organisms with overlapping niches probably have which type of relationship? a. commensal c. mutualistic b. competitive d. parasitic

  17. competitive

  18. The range of temperatures in which an insect is able to live and reproduce is one element of that organism’s ____________________, or the animals place or special position on the food chain. A. Habitat C. Niche B. Biosphere D. Atmosphere

  19. Niche

  20. Mosquito larvae are eaten by some fish species when they are present in the same body of water. For the mosquito these fish are a ____________________ factor. A. Biotic C. Mutualism B. Abiotic D. commensalism

  21. Biotic

  22. The relationship between nitrogen-fixing bacteria and their host plants if they both benefit mutually is best called ____________________. A. Predation C. Mutualism B. commensalism D. Parasitism

  23. Mutualism

  24. What is the difference between a habitat and a niche? A. A habitat is the environment while a niche is all things that requires the organism to survive. B. The habitat is what an organism eats and a niche is where an organism lives.

  25. A habitat is the environment while a niche is all things that requires the organism to survive.

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