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Chapter 15-17 Test
Test Description: Chapter 15-17 Test
Instructions: Answer all questions to get your test result.
1) Under which environmental condition would primary succession occur?
A
meadow following a controlled burn
B
farm field no longer being used to cultivate crops
C
bare rock exposed as glaciers melt
D
forest after trees fall during a severe storm
2) Which list contains ONLY abiotic factors?
A
variety of food sources, annual precipitation, number of decomposers
B
precipitation amount, number of prey, and plant types
C
density of predators, water depth, and types of parasites
D
water temp, amount of sunlight, and soil type
3) Which involves the LEAST number of species?
A
biome
B
ecosystem
C
population
D
community
4) Which are typical pioneer species during primary succession?
A
grasses
B
shrubs
C
lichens
D
trees
5) Which describes when two different species utilize the same resource?
A
competition
B
predation
C
crowding
D
parasitism
6) what has declined because of the growth of the human population?
A
biodiversity
B
extinction rates
C
habitat destruction
D
deforestation
7) 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
makes no differences in the life of the fish
B
causes harmful mutations in the fish
C
helps the fish find suitable mates
D
makes the fish more easily preyed upon
8) Which BEST describes an ecosystem?
A
a group of populations as well as the abiotic environment
B
all the organisms of one species that inhabit a particular area
C
all the zone of Earth's land, water, and air where living organisms are found
D
a group of species that inhabits a particular area
9) Which biome is characterized by a cold, wet climate and coniferous trees?
A
desert
B
tundra
C
grassland
D
taiga
10) 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
11) What is an example of a biotic factor found in ecosystem?
A
plants
B
temperature
C
air currents
D
moisture
12) 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
breed the surviving Chinquapin trees that demonstrated resistance to the disease
B
develop a vaccine for the fungal disease which harms the Chinquapin
C
remove all Asian chestnut trees from Arkansas
D
plant many Chinquapin trees near Asian chestnut trees
13) What is a main difference between primary succession and secondary succession?
A
small plants grow first during primary, while large trees grow first during secondary
B
primary occurs after a natural disaster, and secondary occurs before a natural disaster
C
primary is the colonization of new sites, and secondary is colonization of previously inhabited sites
D
primary succession happens slowly, and secondary succession happen rapidly
*select an answer for all questions
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