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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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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
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
The species interaction based on helping each other is called__________ . • A. Mutualism B. Commensalism • C. Predation D. Parasitism
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 ____.
Cougars are predators that often eat weakened or diseased animals. This is a description of the____of cougars.
Figure 2-2 The group of animals in Figure 2-2 is an example of what?
flea Figure 2-4 The Flea shown in Figure 2-4 is involved in which type of symbiosis?
Which of the following information could be included in the description of a grasshopper’s niche, but not in a description of its habitat?
Organisms with overlapping niches probably have which type of relationship? a. commensal c. mutualistic b. competitive d. parasitic
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
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
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
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.
A habitat is the environment while a niche is all things that requires the organism to survive.