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Ecology Ch 2 (Ecosystems Biomes) Test
Test Description: This is way to study for your Chapter 2 test. Make sure you study in your textbook as well.
Instructions: Answer all questions to get your test result.
1) The climate (temperature and precipitation) determines what?
A
The different types of plants and animals level there
B
The type of organisms that live there
C
The type of trees that live there
D
The type of mammals that live there
2) Decomposers are important because
A
they remove dead organisms and break down complex molecules.
B
they are able to clean the environment
C
they are need in the forest.
D
they simply needed in the environment
3) Bacteria create nitrogen compounds and break down compounds in what cycle?
A
Water Cycle
B
Oxygen Cycle
C
Carbon Cycle
D
Nitrogen Cycle
4) During photosynthesis, plants give off what gas?
A
oxygen
B
carbon
C
carbon dioxide
D
helium
5) Examples of deciduous trees are
A
bushes.
B
pine trees.
C
evergreen trees.
D
maple and oak trees.
6) A grassland biomes contains few trees but contains many
A
organisms.
B
plants.
C
humans.
D
grasses.
7) Nitrogen fixation is when bacteria do what?
A
change hydrogen gas into a usable form of energy
B
change oxygen gas into a usable form of energy
C
change nitrogen gas into a usable from of energy.
D
change carbon dioxide gas into a usable form of enregy
8) Small organisms can be dispersed by the
A
humans.
B
water.
C
other animals.
D
wind.
9) Producers are
A
organisms that use sunlight to make food.
B
organisms that break down remains.
C
organisms that eat other organisms.
D
organisms that eat plants.
10) Omnivores and carnivores can be considered
A
producers.
B
decomposers.
C
second-level consumers.
D
first-level consumers.
11) The tundra is
A
an area with many organisms.
B
a small area.
C
an area with lots of trees.
D
extremely cold and dry.
12) A food web
A
contains only producers.
B
is one simple food chain.
C
is many overlapping food chains.
D
contains only consumers.
13) An example of exotic species is a horse because
A
they were brought to a better state by humans.
B
they were brought across the country by humans.
C
they were brought to a better environment by humans.
D
they were brought by humans from one part of the world to another.
14) Freshwater ecosystems examples are
A
oceans.
B
ponds and rivers.
C
seas.
D
the Dead Sea
15) Biomes are areas of land
A
that have the same types of plants.
B
that have similar climates and organisms.
C
that have different climates and organisms.
D
that have the same population.
16) A model of the nitrogen, carbon, oxygen, and water cycle is the same of what?
A
triangualr
B
rectangular
C
square
D
circle
17) During photosynthesis producers
A
use carbon and to create other carbon-containing molecules.
B
use carbon and to create other oxygen-containing molecules.
C
use oxygen and to create other carbon-containing molecules.
D
use hydogren and to create other carbon-containing molecules.
18) A great way to show a complex system would be
A
to create a drawing.
B
to create a circle graph
C
to create a bar graph.
D
to create a compter model.
19) A producer is an organism that
A
eats only plants.
B
finds its own food.
C
makes its own food.
D
breaks down its food.
20) If a bird eats a rate which eats grass, the hawk is a
A
second-level consumer.
B
consumer.
C
producer.
D
first-level consumer.
*select an answer for all questions
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