Chapter 15-17 Test Question Preview (ID: 18245)

Chapter 15-17 Test.

Under which environmental condition would primary succession occur?
a) bare rock exposed as glaciers melt
b) meadow following a controlled burn
c) forest after trees fall during a severe storm
d) farm field no longer being used to cultivate crops

Which list contains ONLY abiotic factors?
a) water temp, amount of sunlight, and soil type
b) density of predators, water depth, and types of parasites
c) precipitation amount, number of prey, and plant types
d) variety of food sources, annual precipitation, number of decomposers

Which involves the LEAST number of species?
a) biome
b) ecosystem
c) population
d) community

Which are typical pioneer species during primary succession?
a) trees
b) shrubs
c) lichens
d) grasses

Which describes when two different species utilize the same resource?
a) crowding
b) predation
c) parasitism
d) competition

what has declined because of the growth of the human population?
a) biodiversity
b) deforestation
c) extinction rates
d) habitat destruction

A certain light-producing microbe finds shelter and food in the skin of a fish. This relationship would be considered mutualism if the light from the microbe
a) helps the fish find suitable mates
b) causes harmful mutations in the fish
c) makes the fish more easily preyed upon
d) makes no differences in the life of the fish

Which BEST describes an ecosystem?
a) a group of species that inhabits a particular area
b) a group of populations as well as the abiotic environment
c) all the organisms of one species that inhabit a particular area
d) all the zone of Earth's land, water, and air where living organisms are found

Which biome is characterized by a cold, wet climate and coniferous trees?
a) taiga
b) desert
c) tundra
d) grassland

Which statement describes a MAIN difference between primary and secondary succession?
a) primary is always followed by secondary
b) secondary succession always ends in a climax community while primary succession does not
c) primary succession always starts with barren, rock areas while secondary succession does not
d) secondary succession always reaches a climax community of trees while primary succession ends with pioneer species

What is an example of a biotic factor found in ecosystem?
a) plants
b) moisture
c) air currents
d) temperature

The Chinquapin, a tree native to northwest Arkansas, was plentiful until it was devastated by a fungal disease carried by the Asian chestnut tree. To restore the Chinquapin to its former numbers and maintain biodiversity, scientists should try to
a) remove all Asian chestnut trees from Arkansas
b) plant many Chinquapin trees near Asian chestnut trees
c) develop a vaccine for the fungal disease which harms the Chinquapin
d) breed the surviving Chinquapin trees that demonstrated resistance to the disease

What is a main difference between primary succession and secondary succession?
a) primary succession happens slowly, and secondary succession happen rapidly
b) small plants grow first during primary, while large trees grow first during secondary
c) primary occurs after a natural disaster, and secondary occurs before a natural disaster
d) primary is the colonization of new sites, and secondary is colonization of previously inhabited sites

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