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Land & Aquatic Biomes

Total questions: 25

Worksheet time: 15mins

Name
Class
Date
1.
Trees that lose their leaves in autumn are called-
a)
evergreen trees
b)
coniferous trees
c)
deciduous trees
2.
Why is the soil poor in a tropical rainforest?
a)
There is so much rain that the nutrients are washed away.
b)
There are not enough decomposers to maintain a rich soil.
c)
There are so many producers that the nutrients are used quickly.
d)
The hot temperatures cause the nutrients to evaporate from the soil
3.
What is a reasonable scientific explanation for rainforests having the most plant growth?
a)
Temperatures are warm all year long in rainforests.
b)
People do not cut down trees in rainforests.
c)
The leaves in the rainforest canopy absorb most of the sunlight.
d)
Many birds and insects in the rainforest eat plants.
4.
Which statement best explains why there are fewer carnivores living in the Tundra biome than in other biomes?
a)
There are more disease-causing insects in the tundra.
b)
There is not enough sunlight for primary consumers to carry out photosynthesis.
c)
The large number of predators limits the number of carnivores that live in the tundra.
d)
the short growing season limits the number of herbivores that support carnivores.
5.
Which biome is populated with many oak, hickory, and maple trees?
a)
boreal forest
b)
temperate deciduous forest
c)
taiga
d)
tropical rainforest
6.
In which of the following environments would you expect to find the greatest number of different species of plants and animals?
a)
An island near Antarctica.
b)
A wheat field in North Dakota.
c)
A farm pasture in Tennessee.
d)
A tropical rainforest in Panama.
7.
For separate ecosystems to be classified as the same type of biome, they must--
a)
have a deciduous forest.
b)
be located near the equator.
c)
have similar climates and communities.
d)
be at least one hundred acres.
8.
Which of the following would be the best adaptation for animals that live in estuaries?
a)
ability to see well at night
b)
ability to live in salt and fresh water
c)
ability to breathe air
d)
ability to change colors
9.
Which group of animals would you most likely find in a swamp?
a)
whale, shark, squid
b)
crocodile, octopus, squid
c)
alligator, snake, gar fish
d)
polar bear, caribou, moose
10.
Which two biomes receive about the same amount of rainfall?
a)
coniferous forest and savanna
b)
temperate grassland and desert
c)
tundra and coniferous forest
d)
savanna and tundra
11.
Plants in the tundra grow close to the ground and have shallow root systems.  Which statement best explains why these plants have shallow root systems?
a)
The plants are eaten before they mature.
b)
The ground has a layer of permafrost.
c)
The ground has a layer of detritus.
d)
The plants are trampled by large herbivores.
12.
Which biome is represented by this food web?
a)
swamp
b)
pond
c)
ocean
d)
river
13.
The kangaroo rat is able to get all of the water it needs through its food. It never drinks water.  This animal has adapted to live in which biome?
a)
rainforest
b)
desert
c)
savanna
d)
grassland
14.
Plankton live only in the ocean.
a)
True
b)
False
15.
How do phytoplankton get food?
a)
whales
b)
small fish
c)
jellyfish
d)
photosynthesis
16.
Which biome has trees that produce seeds in cones?
a)
temperate deciduous forest
b)
tundra
c)
coniferous forest
d)
tropical rainforest
17.
Which of the following is an abiotic factor in a biome?
a)
the kinds of trees
b)
the mosses and algae
c)
the number of insect species
d)
the average temperature
18.
Which of the following is a biotic factor in a biome?
a)
the amount of rainfall
b)
the quality of soil
c)
the presence of ponds and lakes
d)
the kinds of grasses
19.

A student is trying to model an ocean ecosystem. What is the most important facto they need to include to make sure the model is accurate?

a)

sea weed

b)

salt water

c)

coral reef

d)

starfish

20.

Mangrove trees are common in wetlands. Which factor most likely keeps them from growing in deserts?

a)

strong winds

b)

dry soil

c)

cold nights

d)

long days

21.

When fresh water and salt water meet in an estuary, the salt water flows underneath the fresh water because salt water is more dense. What effect does this most likely have oon the nutrients concentrated in the fresh water?

a)

they are kept close to the shore

b)

they are diluted by the ocean water

c)

they are inactivated by the ocean water

d)

They are spread out from the shore

22.

If toxic chemicals kill most of the grasses in an estuary, what will most likely happen in the ecosystem?

a)

photosynthesis will decrease, decay will decrease, and dissolved oxygen will increase

b)

photosynthesis will increase, decay will decrease, and dissolved oxygen will decrease

c)

photosynthesis will decrease, decay will increase, dissolved oxygen will decrease

d)

photosynthesis will increase, decay will decrease, and dissolved oxygen will increase

23.

Which event become more likely during a drought in a prairie ecosystem?

a)

tornado

b)

fire

c)

landslide

d)

earthquake

24.

A meerkat pup grows to adulthood in about 18 months. Which factor will have the greatest influence on the pup's survival?

a)

the length of the pup's tail

b)

the conditions of the meerkat's habitat

c)

the average number of meerkat pups

d)

the social behaviors of the meerkat population

25.

Which biome best describes the biome in Tennessee?

a)

Biome Number 1

b)

Biome Number 2

c)

Biome Number 3

d)

Biome Number 4

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