Glencoe Science Level Blue

Chapter 4: Interactions of Life

Interactions of Life

Your Results:

The correct answer for each question is indicated by a .

1			A pig is which kind of consumer? Need a Hint?
			A)	omnivore
			B)	carnivore
			C)	decomposer
			D)	herbivore
2			You decide to raise mealworms in two identical containers at home. You count the number of mealworms in each container to compare __________. Need a Hint?
			A)	parasitism
			B)	population densities
			C)	the death rate
			D)	homeostasis
3			Which of these is a method used to count a wildlife population? Need a Hint?
			A)	study-a-niche
			B)	trap-mark-release
			C)	commensalism
			D)	recommended spacing
4			Cactus plants are usually found in which environment? Need a Hint?
			A)	aquatic regions
			B)	desert regions
			C)	arctic regions
			D)	tropical rain forest regions
5			Which of these animals has a habitat in the cold northern regions? Need a Hint?
			A)	polar bears
			B)	scarlet macaws
			C)	howler monkeys
			D)	rattlesnakes
6			Consumers that capture and eat other consumers are __________. Need a Hint?
			A)	herbivores
			B)	predators
			C)	producers
			D)	food chains
7			Which planet is closest to the Sun? Need a Hint?
			A)	Pluto
			B)	Mars
			C)	Mercury
			D)	Earth
8			A drought condition affects an area. Lack of rain is __________ of that area's organisms. Need a Hint?
			A)	an adaptation
			B)	a limiting factor
			C)	the community
			D)	the carrying capacity
9			All the tortoises living in a specific region of a desert ecosystem make up a __________. Need a Hint?
			A)	food chain
			B)	biosphere
			C)	carrying capacity
			D)	population
10			Clown fish swim among a sea anemone's tentacles without being stung. What type of symbiotic relationship do the clown fish and the sea anemone have? Need a Hint?
			A)	mutualism
			B)	commensalism
			C)	consumerism
			D)	parasitism
11			Which of these is a method used to count the size of a population in a large area? Need a Hint?
			A)	sample counts
			B)	ecology
			C)	population density
			D)	photosynthesis
12			A population of wolves lives in a region with plenty of food, water, and living space. Which of these is true? Need a Hint?
			A)	The wolf population will become carnivores.
			B)	The wolf population has excellent biotic potential.
			C)	The wolf population lives in a poor habitat.
			D)	The wolf population faces increased competition.
13			The largest number of organisms in a species that can live in an ecosystem at one time is its __________. Need a Hint?
			A)	sample count
			B)	commensalism
			C)	carrying capacity
			D)	symbiosis
14			The organisms living in an area and the nonliving features of that environment form __________. Need a Hint?
			A)	its limiting factors
			B)	competition
			C)	an ecosystem
			D)	a symbiotic relationship
15			All populations living together in an ecosystem are called a __________. Need a Hint?
			A)	predator
			B)	biosphere
			C)	sample count
			D)	community
16			Your sick puppy is diagnosed with roundworms. What type of symbiotic relationship do the puppy and the roundworms have? Need a Hint?
			A)	cooperative
			B)	parasitism
			C)	commensalism
			D)	mutualism
17			Earth's surrounding atmosphere is part of its __________. Need a Hint?
			A)	biosphere
			B)	population
			C)	food chains
			D)	niche
18			Which of these organisms is a producer? Need a Hint?
			A)	trout
			B)	snake
			C)	bear
			D)	fern
19			Which of these is true for human populations? Need a Hint?
			A)	Countries always have higher birth-rates than death rates.
			B)	Countries with low death rates will always have high birthrates.
			C)	Countries with higher birthrates than death rates have growing populations.
			D)	Countries with higher death rates than birth-rates will increase their population size.
20			A salamander's habitat is which of these? Need a Hint?
			A)	the ocean
			B)	the arctic region
			C)	a hollow cactus
			D)	a forest floor

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