Chapter 17

A species' habitat is like its address, and its _____ is like its occupation. a. richness b. community c. gene pool d. niche

Match the species interaction with a suitable description. ________ mutualism ________ competition ________ predation ________ parasitism ________ herbivory a. A snake kills and eats a mouse. b. A bee pollinates a flower while sipping floral nectar. c. An owl and a wood duck both need a tree cavity to nest. d. A mosquito sucks your blood. e. A goat grazes on grass.

With interspecific competition, selection favors individuals of both species who are most _______ the competing species. a. similar to b. different from

Parasitoids are ________ that lay eggs in the bodies of their hosts. a. birds b. reptiles c. insects d. fish

The establishment of a biological community on a newly formed volcanic island is an example of _______ a. primary succession b. secondary succession c. competitive exclusion d. resource partitioning

Match the terms with suitable descriptions. ________ producer _______ brood parasite _______ decomposer _______ detritivore a. steals parental care b. feeds on small bits of organic matter c. degrades organic wastes and remains to inorganic forms d. captures sunlight energy

In an energy pyramid diagram of a prairie food web, which of these organisms would be in the lowest (and largest) tier? a. grasses b. grasshoppers c. grasshopper-eating sparrows d. sparrow-eating hawks

Match each substance with its largest environmental reservoir. One reservoir choice will be used more than once. _______ carbon ________ water ________ phosphorus _______ nitrogen a. seawater b. rocks and sediments c. the atmosphere

Earth's largest reservoir of fresh water is _______ a. lakes b. groundwater c. glacial ice d. water in living organisms

_________ convert nitrogen gas to a form producers can take up. a. Fungi b. Bacteria c. Mammals d. Mosses

Land plants take up _______ for photosynthesis from the air. a. carbon dioxide b. phosphate ions c. ammonium ions d. nitrogen gas

Addition of _______ to water encourages algal blooms. a. carbon dioxide b. phosphate ions c. salt d. bicarbonate ions

A biological control agent is _______ a pest species. a. prey of b. a descendant of c. mutualistic with d. a natural enemy of

Greenhouse gases ________. a. trap heat in the atmosphere b. are released by burning of fossil fuels c. may cause global climate change if they accumulate d. all of the above

A(n) _______ species is one that arrives early in succession. a. keystone b. pioneer c. commensal d. exotic