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Biomes
Test Description: Biome, Abiotic, biotic,
Instructions: Answer all questions to get your test result.
1) Which of the following is an abiotic factor in a biome?
A
the number of insect species
B
the mosses and algae
C
the average temperature
D
the kinds of trees
2) Which of the following is a biotic factor in a biome?
A
the presence of ponds and lakes
B
the amount of rainfall
C
the quality of soil
D
the kinds of grasses
3) The base of the ocean's food chain is formed by which biotic factor?
A
sunlight
B
phytoplankton
C
blue whales
D
coral reefs
4) Plants in the tundra biome grow close to the ground and have shallow root systems. Which statement best explains why these plants have shallow root systems?
A
The seeds must be spread quickly.
B
The plants can be easily transplanted.
C
The ground is frozen much of the year.
D
The plants are eaten before they are mature.
5) Deserts are defined by these abiotic factors
A
often hot and very humid
B
many cacti and few grasses
C
many grasses and few trees
D
often hot and very dry
6) Which of these is an abiotic factor in a grassland?
A
rabbits
B
wildflowers
C
insects
D
sunlight
7) One important abiotic factor in marine ecosystems is the
A
water depth
B
amount of phytoplankton
C
kinds of algae
D
size of animals
8) Most of the nutrients in a tropical rain forest are found in plants, so
A
the rain forest soil is very rich.
B
the rain forest soil is poor in nutrients.
C
there are few animals in the rain forest.
D
there are few plants in the rain forest.
9) A grassland biome contains many abiotic and biotic factors. What is an example of a biotic factor of this biome?
A
water
B
clouds
C
plants
D
air
10) A biome with many trees which are green in the summer and then lose their leaves in the fall to conserve water is most likely a
A
taiga
B
temperate deciduous forest.
C
tundra
D
coniferous forest.
11) Which biome is most likely found in the region described the graphs above and why?
A
temperate grassland because the winter temperatures are close to 0°C
B
alpine tundra because the summer temperatures are close to 40°C
C
tropical rain forest because it receives close to 400 cm of rain in a year
D
desert because it receives less than 25 cm of rain in a year
12) Why do phytoplankton need to live near the surface?
A
Phytoplnakton are consumers that need to near their prey.
B
Phytoplankton need to near the surface to breathe.
C
Phytoplankton need sunlight to make their own food.
D
Phytoplankton need warm water to make their own food.
13) Which of the following is NOT a key abiotic factor in marine ecosystems?
A
water depth
B
water temperature
C
amount of sunlight
D
amount of phytoplankton
14) How can the consumers that live in deep water survive if their are no producers present?
A
They are all decomposers.
B
They feed on each other and on material that sinks from the surface waters.
C
They go to the surface to search for food.
D
They use photosynthesis to make their own food.
15) In a certain biome, wildflowers and herbs are some of the most common plants. Bison and prairie dogs consume the wildflowers and herbs. Coyotes and eagles hunt the prairie dogs. Which biome is most likely being described?
A
tropical rain forest
B
coniferous forest
C
arctic tundra
D
temperate grassland
16) The fur of Arctic foxes and Arctic hares is white in winter. The fur of both species becomes brown in summer. This adaptation helps camouflage these animals. In which biome can a predator-prey relationship between Arctic foxes and Arctic hares be fou
A
tundra
B
desert
C
wetland
D
rain forest
17) Which of these is an abiotic factor in a tropical rain forest?
A
high humidity
B
kapok tree
C
bucket orchid flowers
D
blue mountain butterfly
18) Which hot and dry biome is home to large herds of herbivores that feed on the many kinds of grasses?
A
desert
B
tundra
C
savanna
D
rain forest
19) A wilderness area has a moderate climate. This area receives a light to meduium amount of rain and snow each year. Fires burn the area every few years. Bison and deer live in this area. Which biome is most likely being described?
A
tropical rain forest
B
grassland
C
Arctic tundra
D
desert
20) The main biotic factor in coniferous forests is
A
trees that do not change much seasonally.
B
many grasses and few trees.
C
seasonal rains.
D
trees that lose their leaves to save water.
*select an answer for all questions
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