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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 kinds of trees
D
the average temperature
2) Which of the following is a biotic factor in a biome?
A
the presence of ponds and lakes
B
the quality of soil
C
the amount of rainfall
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 ground is frozen much of the year.
C
The plants are eaten before they are mature.
D
The plants can be easily transplanted.
5) Deserts are defined by these abiotic factors
A
many cacti and few grasses
B
many grasses and few trees
C
often hot and very humid
D
often hot and very dry
6) Which of these is an abiotic factor in a grassland?
A
rabbits
B
sunlight
C
wildflowers
D
insects
7) One important abiotic factor in marine ecosystems is the
A
size of animals
B
kinds of algae
C
water depth
D
amount of phytoplankton
8) Most of the nutrients in a tropical rain forest are found in plants, so
A
there are few animals in the rain forest.
B
there are few plants in the rain forest.
C
the rain forest soil is very rich.
D
the rain forest soil is poor in nutrients.
9) A grassland biome contains many abiotic and biotic factors. What is an example of a biotic factor of this biome?
A
plants
B
clouds
C
air
D
water
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
temperate deciduous forest.
B
coniferous forest.
C
tundra
D
taiga
11) Which biome is most likely found in the region described the graphs above and why?
A
alpine tundra because the summer temperatures are close to 40°C
B
desert because it receives less than 25 cm of rain in a year
C
tropical rain forest because it receives close to 400 cm of rain in a year
D
temperate grassland because the winter temperatures are close to 0°C
12) Why do phytoplankton need to live near the surface?
A
Phytoplnakton are consumers that need to near their prey.
B
Phytoplankton need sunlight to make their own food.
C
Phytoplankton need warm water to make their own food.
D
Phytoplankton need to near the surface to breathe.
13) Which of the following is NOT a key abiotic factor in marine ecosystems?
A
amount of phytoplankton
B
water depth
C
water temperature
D
amount of sunlight
14) How can the consumers that live in deep water survive if their are no producers present?
A
They use photosynthesis to make their own food.
B
They go to the surface to search for food.
C
They are all decomposers.
D
They feed on each other and on material that sinks from the surface waters.
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
arctic tundra
B
coniferous forest
C
temperate grassland
D
tropical rain forest
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
desert
B
rain forest
C
wetland
D
tundra
17) Which of these is an abiotic factor in a tropical rain forest?
A
bucket orchid flowers
B
blue mountain butterfly
C
high humidity
D
kapok tree
18) Which hot and dry biome is home to large herds of herbivores that feed on the many kinds of grasses?
A
rain forest
B
tundra
C
savanna
D
desert
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
desert
B
Arctic tundra
C
grassland
D
tropical rain forest
20) The main biotic factor in coniferous forests is
A
many grasses and few trees.
B
trees that lose their leaves to save water.
C
trees that do not change much seasonally.
D
seasonal rains.
*select an answer for all questions
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