Mrs. Keadle
JH Science
Name__________________________________ period _____
date assigned_____________ date due ______________ date returned ____________
Biomes, Ecoregions and Sustainability
1. Why do we find different plants and animals in different biomes?
2. What is sustainability?
3. The healthier and more __________________ an ecosystem is, the more
_________________________ it is.
4. What are some biotic and abiotic components shared by most biomes?
biotic
abiotic
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Biomes, Ecoregions and Sustainability
Mrs. Keadle
JH Science
5. What adaptations help organisms survive in different biomes?
6. How do adaptations help different organisms survive in different biomes?
7. How do different environments help to support different varieties of
organisms?
8. Would a microhabitat, such as the yard around the school, help to support
organisms the same way a biome would?
9. What are some of the relationships between biomes?
10. Could an organism from one biome adjust quickly to the conditions of
another biome?
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Biomes, Ecoregions and Sustainability
Mrs. Keadle
JH Science
Biome Comparison
11. Pick two biomes that are similar to each other.
12. Complete a venn diagram comparing the two biomes.
Biome 1:
Biome 2:
13. Now pick two biomes that are very different from each other and complete a Venn
diagram.
Biome 1:
Biome 2:
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Biomes, Ecoregions and Sustainability
Mrs. Keadle
JH Science
14. Think back to our demonstration with the paper squares. Complete
these statements:
a. When there is little biodiversity in an ecosystem…
b. When there is more biodiversity in an ecosystem…
15. How does the variety of species within an ecosystem maintain
equilibrium?
16. Now a biome and a Texas ecoregion that are similar to each other and complete a
Venn diagram.
Biome 1:
Biome 2:
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Biomes, Ecoregions and Sustainability
Mrs. Keadle
17
Plants have a hard time living in a
20 Organisms that live in a desert
environment have which of the
following adaptations?
desert. Which of the following is
the primary limiting factor?
A
elevation
B
space
C
food source
JH Science
D moisture
F
the ability to reproduce
often
G
the ability to go without
water for long periods
H
thick layers of fat and fur
J
the ability to swim
18 Which ecosystem receives the
least rainfall?
19
F
tropical rainforest
G
desert
H
grassland
J
tundra
A canopy, an understory, and an
extremely high number of plant
and animal species are
characteristics of which biome?
A
temperate rain forest
B
deciduous forest
C
desert
21
The picture shows organisms from
one of the major biomes on Earth.
Which biome are all of these
organisms able to live in?
A
tropical rainforest
B
tundra
C
ocean
D
desert
D tropical rain forest
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Biomes, Ecoregions and Sustainability
Mrs. Keadle
22
A good adaptation for living in a
23
grassland would be F
the ability to hibernate
G
the ability of plants to grow
very high to reach the sunlight
24
the ability of plants to grow
after prairie fires
Abiotic factors that could affect
the stability of an ecosystem
could include:
Which of the following situations
contributes to stability in an
ecosystem?
H thick, insulating fur
J
JH Science
25
A
increase in biodiversity
B
decrease in biodiversity
C
extinction of a population
from the ecosystem
D
removal of many populations
of organisms
Which ecosystem has a better
chance of surviving when
environmental conditions change
over a long period of time?
F
hurricanes, packs of wolves,
and temperature
A
one with a great deal of
genetic diversity
G
blizzards, heat waves, and
swarms of grasshoppers
B
one with plants and animals
but no bacteria
H droughts, floods, and heat
waves
C
one with animals and
bacteria but no plants
D
one with little or no genetic
diversity
J
fish, number of
decomposers, and algae
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Biomes, Ecoregions and Sustainability
Mrs. Keadle
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JH Science
Base your answer to the following question on the graph below.
If the environment was to change dramatically, or a new plant disease were
to break out, which plant type would most likely survive?
F
wild wheat
G
domestic wheat
H
wild corn
J
domestic corn
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Biomes, Ecoregions and Sustainability
Mrs. Keadle
27
JH Science
Human Population and Area of Rain Forest in Ecuador
What effect does the increase in human population most likely have on the
biodiversity of the plant species found in the rainforest?
A
As human population increases, the succession in the rainforest leads to
increased biodiversity.
B
As human population increases, the diversity of larger rainforest plant
species increases.
C
As human population increases, the number of individual rainforest plant
species increases.
D As human population increases, the diversity of all rainforest plant
species decreases.
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Biomes, Ecoregions and Sustainability