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Ecology Test Part 2
Test Description: From usatestprep
Instructions: Answer all questions to get your test result.
1) ___________would INCREASE the carrying capacity for white-tailed deer in an Eastern temperate forest ecosystem.
A
The construction of new roads and increased traffic through woodland areas.
B
A large migration of the closely related mule deer, into the East.
C
The re-introduction of the Eastern cougar into North Carolina.
D
The re-introduction of the American chestnut tree, which produces many seeds, and used to live in North Carolina.
2) Peppered moths come in two colors, black and white. What did Kettlewell show, with regard to peppered moth populations and tree coloring? (Recall that England at the time was heated mainly by coal in urban areas.)
A
The black moth and white moth forms were actually two different species of moths.
B
White moths stand out in rural areas, and quickly disappear from those areas.
C
Environmental conditions do not affect physical features of a species over a short time period.
D
In smoggy areas, dark moths have a higher survival rate than white moths.
3) The two abiotic factors used to classify earth’s terrestrial biomes are ____.
A
trophic levels and average temperature.
B
length of growing season and amount of rainfall.
C
plant and animal species present.
D
average yearly precipitation and temperature.
4) The greatest biodiversity on earth is found in the ____biome.
A
grasslands
B
tropical rainforest
C
taiga
D
deciduous forest
5) The carrying capacity of any population will stay the same _________.
A
as long as predators do not increase.
B
unless environmental conditions change.
C
even though the birth rate exceeds the death rate.
D
regardless of emigration and immigration.
6) An animal with thick layers of blubber, dense fur, the tendency to hibernate, and light coloration is well-adapted to the ___ biome.
A
tundra
B
chapparal
C
temperate forest
D
grassland
7) The aloe plant has thick, water-filled leaves covered with spikes. The flowers are high on a stalk, so that pollen can be quickly and easily released. What biome is the aloe BEST adapted for?
A
tropical rainforest
B
savanna
C
desert
D
tundra
8) Use the picture shown in your study guide question 22 is a food chain. Suppose a company that makes snakeskin wallets sets up shop in the area and kills all of the Mojave rattlesnakes. What would you LEAST expect to happen
A
Cougars eat more jackrabbits in their diet than they normally do
B
Desert sagebrush plant populations grow uncontrollably.
C
Kangaroo rat populations show an increase.
D
Prickly pear cacti are grazed more heavily than previously.
9) Review the desert food web for 22. What organism, absent in the web, would be MOST responsible for recycling organic matter back through the food web?
A
cactus plants
B
cougars
C
sage brush
D
bacteria
10) The biome found in Kenya and South Africa is described. The land is grass-covered with very few trees and gazelles and other grazers are common here. Why does this biome have a low population of trees?
A
It has high temperatures and low precipitation.
B
It is a deforested rainforest with poor soil.
C
It has a long rainy season followed by flooding.
D
Large grazing animals destroy the trees.
11) Fungi are an important part of any ecosystem because they____.
A
are important producers for consumers in the food web.
B
add oxygen to the atmosphere.
C
break down dead organisms and recycle nutrients.
D
use sunlight to make food for other organisms.
12) The single MOST important factor contributing to the modern-day extinction of hundreds of species on Earth is___.
A
greenhouse effect.
B
habitat destruction.
C
acid rain
D
invasive species.
13) The process of photosynthesis is essential in the oxygen/carbon dioxide cycle. Photosynthesis removes ______from the atmosphere and produces and releases ______ into the atmosphere.
A
oxygen, glucose
B
oxygen, carbon dioxide
C
glucose, oxygen
D
carbon dioxide, oxygen
14) The process of respiration is essential in the oxygen/carbon dioxide cycle. Respiration removes ______ from the atmosphere and produces and releases ______to the atmosphere.
A
oxygen : glucose
B
Glucose: oxygen
C
oxygen : carbon dioxide
D
carbon dioxide : oxygen
*select an answer for all questions
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