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WorksheetsChapter 6 Environmental Science Putman
Total questions: 17
Worksheet time: 9mins
Name
Class
Date
1.
_______ is the concept that communities will proceed through a series of recognizable, predictable changes in structure over time.
a)
procession
b)
succession
c)
equation
d)
evolution
2.
A ________ community is a relatively stable, long lasting community that is the result of succession.
a)
land
b)
water
c)
climax
d)
complete
3.
________ succession is a progression that begins with a total lack of organisms and bare minerals or water.
a)
primary
b)
secondary
c)
land
d)
water
4.
____ succession is a successional progression that begins with the destruction or disturbance on an existing ecosystem.
a)
primary
b)
secondary
c)
land
d)
water
5.
A ______ community is is the first to colonize bare rock.
a)
primary
b)
secondary
c)
pioneer
d)
colonization
6.
Biomes are determined by ____.
a)
precipation
b)
temperature
c)
altitude
d)
climate
7.
_______ are found through out the world where rain fall is generally lower than 25 cm.
a)
temperate grasslands
b)
temperate forest
c)
deserts
d)
climates
8.
The major factor contributing to _____ grasslands is rainfall, where the annual precipitation is between 25 and 75 cm per year.
a)
deserts
b)
tundra
c)
temperate
d)
deciduous
9.
______ are grasslands found in Africa, South America and Austria that are spotted with occasional trees or patches of trees.
a)
savanna
b)
prairies
c)
steppes
d)
temperate grasslands
10.
_______ ________ exist in the coastal areas of northern California, Oregon, and British Columbia.
a)
Temperate rainforest
b)
Tropical rainforest
c)
Rainy climates
d)
Boreal forest
11.
__________ is an extremely cold region that lacks trees and has a permanently frozen subsoil.
a)
taiga
b)
tundra
c)
arctic
d)
permafrost
12.
Any ocean animal not attached to the bottom is called _____.
a)
plankton
b)
pelagic
c)
zooplankton
d)
eutropic
13.
______ are small floating or weak swimming protozoa and animals that feed on phytoplankton.
a)
plankton
b)
zooplankton
c)
krill
d)
algae
14.
____ are animals that live on the ocean bottom, attached or not.
a)
palegic
b)
benthic
c)
reef
d)
coral
15.
_____ are aquatic ecosystems that are shallow, partially enclosed area with a mixture of fresh water and salt water.
a)
delta
b)
estuary
c)
marsh
d)
lake
16.
____ are wetlands that contain trees that are able to live in places that are either permanently flooded or floored for the majority of the year.
a)
marshes
b)
deltas
c)
swamps
d)
mangroves
17.
_____ are wetlands that are dominated by grasses and reeds.
a)
marshes
b)
swamps
c)
deltas
d)
mangroves
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