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WorksheetsBiodiversity and Review
Total questions: 23
Worksheet time: 12mins
Name
Class
Date
1.
What factor contributes the most to the sustainability of a habitat?
a)
competition among large predators
b)
large variety of organisms
c)
presence of volcanic rock
d)
absence of bacterial species
2.
The ecosystem with the greatest sustainability will be the one that has the .....
a)
greatest variety of different organisms
b)
highest annual precipitation
c)
lowest population of harmful insects
d)
fastest growing season for green plants
3.
The Brazilian rain forest is an area with significant biodiversity. As the rain forest is replaced with agricultural land, it is reasonable to predict a reduction in ....
a)
consumption of solar energy
b)
sustainability over time
c)
precipitation levels
d)
average daily temperature
4.
The ocean ecosystem has a high sustainability because of ...
a)
strong persistent currents
b)
predator/ prey relationships
c)
green plants growing on the bottom
d)
the large variety of different organisms
5.
As species disappear from a prairie ecosystem, their disappearance results in decreased ....
a)
sustainability of the prairie ecosystem
b)
numbers of species in nearby ecosystems
c)
likelihood of prairie wildfires breaking out
d)
numbers of offspring in remaining species
6.
An example of a typical pioneer species, that is one that appears in the earliest stages of ecological succession, is ....
a)
oak trees
b)
spiders
c)
weeds
d)
humans
7.
Primary succession takes place in an area where ...
a)
no soil or organisms were previously present
b)
wildfires removed existing prairie grass species
c)
large organisms out-compete smaller organisms
d)
weeds grow in a garden next to vegetables
8.
Plants that have deep roots, which extend, are able to reach cooler regions and absorb water that the roots of other plants can't reach. This adaptation is expected in a habitat with which of the following climatic conditions?
a)
cool and sunny
b)
hot and arid
c)
wet and cloudy
d)
cold and dark
9.
Which of the following is a cause of declining biodiversity?
a)
Habitat Loss
b)
Introduction of Invasive Species
c)
Over Exploitation of resources
d)
All of these cause decreased biodiversity
10.
A reliable state of succession or the end product of succession is called ...
a)
microhabitat
b)
climax community
c)
sustainability
d)
pioneer species
11.
The amount of living organisms that an area of land can support is called ....
a)
climax community
b)
sustainability
c)
carrying capacity
d)
succession
12.
A diagram of a prairie food web is provided. A reduction in deer population will have the effect in the amount of energy this ecosystem is able to provide for which of the following organisms?
a)
Rabbit
b)
Mountain Lion
c)
Mouse
d)
Hawk
13.
What is a single, linear path showing the flow of energy from the Sun to a producer and through different trophic levels of consumers?
a)
Food Chains
b)
Food Web
c)
Energy Pyramid
d)
Trophic Level
14.
What are overlapping food chains with different pathways for the flow of energy in an ecosystem?
a)
Food Chain
b)
Food Web
c)
Energy Pyramid
15.
A _________ is the position an organism occupies on the food web.
a)
producers
b)
consumers
c)
energy pyramid
d)
trophic level
16.
_________ is a system comprising all of the biotic and abiotic factors in an area and all the interactions among them.
a)
Food Chain
b)
Food Web
c)
Energy Pyramid
d)
Ecosystem
17.
What is energy that reaches Earth as visible light, ultraviolet light, and infrared radiation?
a)
chemical energy
b)
radiant energy
c)
molecule
d)
glucose
18.
What is a chemical reaction during which plants convert radiant energy from the sun to chemical energy; the reaction converts carbon dioxide and water into sugar?
a)
photosynthesis
b)
chemical reaction
c)
chlorophyll
d)
Chloroplasts
19.
What is a substance that takes part in and undergoes change during a reaction?
a)
reactants
b)
products
c)
molecules
d)
atoms
20.
What is a substance that is created during a chemical reaction?
a)
Reactants
b)
Products
c)
Atoms
d)
Molecules
21.
What is a simple carbohydrate that is produced by photosynthesis and used to store energy and build structural molecules?
a)
Glucose
b)
Chlorophyll
c)
Chloroplast
d)
Product
22.
What is the green pigment found in all plants and algae that enables energy from the sun to be converted into chemical energy through the process of photosynthesis?
a)
Chloroplast
b)
Chlorophyll
c)
Photosynthesis
d)
Reactant
23.
What is the organelle within plant cells where photosynthesis takes place?
a)
Chloroplast
b)
Chlorophyll
c)
Chemical Reaction
d)
Molecule
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