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BIODIVERSITY

Total questions: 56

Worksheet time: 2hrs 21mins

Name
Class
Date
1.
What does biodiversity mean?
a)
Only one species in an area.
b)
The different amount of species in an area
c)
All abiotic life
d)
Nitrogen fixation
2.
Which biome is more biodiverse?
a)
Desert
b)
Sand
c)
Tundra
d)
Rainforest
3.
What do biologist call an ecosystem that has reached its maximum potential?
a)
Rainforest 
b)
Environment
c)
Climax Community
d)
Biome
4.
Which option is abiotic?
a)
Plants
b)
Bacteria
c)
Water
d)
Fungi
5.
Which option is biotic?
a)
Light
b)
Water
c)
Salt in the water
d)
Angel fish
6.
 Which biome is more likely to survive a change in the environment?
a)
High (rich) biodiversity
b)
Low (poor) biodiversity
7.
Under a rock is a good place to view a micro habitat.
a)
True
b)
False
8.
Food provides animals with the materials and energy they need for growth, warmth, and motion. Plants get material for growth mostly from air and water, and obtain energy from sunlight.

Producers provide food to consumers because ―
a)
many animals prefer eating plants to eating meat
b)
plants can easily make food from soil and water
c)
animals cannot produce their own food
d)
plants are more abundant in ecosystems
9.
The illegal capture or killing of an organism, often for money, is called...
a)
poaching
b)
harvesting
c)
fragementation
d)
extinction
10.
A drought has hit this grassland biome. How will this effect the rabbit population?
a)
The rabbits will increase in number.
b)
The rabbit population will stay the same.
c)
The rabbit population will decrease.
d)
The rabbit population will become extinct immediately.
11.
All living and nonliving things in an environment and the many ways they interact are called ______
a)
ecosystem
b)
community
12.
Brown trout consume (eat) more tadpoles when the fly larvae reduce in number (decrease).  This proves...
a)
The dependence of organisms and biodiversity in an ecosystem
b)
Diversity increases as organisms decrease
c)
Losing an animal is good for ecosystems
d)
Changes in ecosystems create new organisms
13.
In this tundra food web, if grasses were removed what would happen to the sustainability of the ecosystem?
a)
There would be an overpopulation of arctic hares and lemmings.
b)
Polar bears would move to a new ecosystem
c)
The ecosystem would collapse because it lost its main producer
d)
Wildflowers would die out from the ecosystem
14.
What is the order of succession shown in this figure?
a)
A, B, C, D
b)
B, A, D, C
c)
C, D, A, B
d)
D, A, B, C
15.
What would have to happen to this ecosystem in order to introduce and support a frog population?
a)
Nothing, they're already there.
b)
A wildfire to clear the land.
c)
They will just naturally migrate to the area on their own.
d)
A flood occurs leaving pools of water.
16.
What type of succession is shown going from figure A to figure B?
a)
primary succession
b)
eutrophication
c)
secondary succession
d)
intermediate
17.
A garden was cleared out, but had to be left alone for a month. What would you expect to see?
a)
lichens and mosses
b)
grasses and weeds
c)
a fully blossomed garden
d)
bushes and small trees
18.
Starts with BARE ROCK followed by lichen
a)
primary succession 
b)
secondary succession
c)
both types of succession
19.
What is Ecological Succession?
a)
Competition between plants in a society
b)
A natural disaster such as a flood or fire
c)
The cycle of a tomato plant
d)
The change an ecosystem experiences over time
20.
Which of the following is true in a climax community?
a)
the community will constantly evolve and change
b)
if one species dies, a new species will fulfill the same role
c)
They are stable for a long time, with the same species maintaining their population
d)
it goes through a major change called "climax" every few hundred years
21.
A drought has hit this grassland biome. How will this effect the rabbit population?
a)
The rabbits will increase in number.
b)
The rabbit population will stay the same.
c)
The rabbit population will decrease.
d)
The rabbit population will become extinct immediately.
22.
Succession that occurs in an area with NO SOIL
a)
ecological succession 
b)
primary succession 
c)
secondary succession
d)
pioneer speciles
23.
The first organisms that appear in an ecological community
a)
ecological succession 
b)
primary succession 
c)
secondary succession
d)
pioneer species
24.
The picture shows what type of succession?
a)
primary
b)
secondary
c)
tertiary
d)
quadanary
25.
The final stable community of plants and animals is called:
a)
pioneer community
b)
farmland
c)
climax community
d)
old field
26.
How would the biodiversity of this ecosystem be affected if the lantern fish disappeared?
a)
The ocean sunfish population would increase.
b)
The large shark population would die out.
c)
The squid would die out.
d)
There would be no change.
27.
Biodiversity is the variety of ________ in a community.
a)
genes
b)
population
c)
species
d)
community
28.
A place where plants and animals live and grow naturally is called a ______________.
a)
shelter
b)
tree
c)
habitat
d)
organism
29.
The picture shows what type of succession?
a)
primary
b)
secondary
c)
tertiary
d)
quadanary
30.
After a volcanic eruption, lava covers the land. What is the order that plants grow to repopulate the area?
a)
Lichens → Shrubs → Grasses → Trees
b)
Lichens → tree → shrubs→Grasses
c)
Grasses → Lichens → Shrubs → Trees
d)
Lichens → Grasses → Shrubs → Trees
31.
Reaches a climax community quicker because soil is already present
a)
primary succession 
b)
secondary succession
c)
both types of succession
32.
What does this image represent?
a)
Species Biodiversity
b)
Ecological Biodiversity
c)
Individual Biodiversity
d)
Genetic Biodiversity
33.
What does the following image represent?
a)
Genetic Biodiversity
b)
Ecological Biodiversity
c)
Species Biodiversity
d)
Individual Biodiversity
34.
What is the difference between biotic and abiotic?
a)
Biotic are non-living things
b)
Abiotic are living organisms
c)
Biotic is life,
Abiotic is non-living
d)
Biotic is non-living, Abiotic is living
35.
The fish shown in the pictures below is the Anglerfish. The stalk in front of its eyes is a flashing light that it uses to lure prey to its mouth. This structural adaptation enables the Anglerfish to survive in a very dark and deep aquatic habitat.
Where are anglerfish likely to be found? 
a)
A shallow freshwater lake
b)
An estuary or wetland area on the coast
c)
In the shallow water of a creek or stream
d)
The deep abyssal zone of the ocean
36.
In a population of spiders there are three different sizes: small, medium, and large.
---The large spiders are easily seen by predators.
---Small spiders have a difficult time finding food.
What will most likely happen to this population of spiders after many generations?
a)
Small and large spiders will mutate
b)
Medium spiders will be the most plentiful
c)
Large spiders will learn to hide from predators
d)
Small and medium spiders will be the least plentiful
37.
The habitat of a moth species included trees with both light and dark colored bark.Therefore the moth species included both light and dark colored variants.Then the light-colored trees were wiped out by a disease, and within a few years nearly all the moths in this forest were dark colored. Which of the following choices BEST explains what happened?
a)
The light moths that survived all had dark offspring in order to adapt to the change.
b)
The dark moths were less visible to predators, so mostly light moths were eaten.
c)
The few light moths that survived did not mate, and therefore they had no offspring.
d)
The light moths changed their wing pigments to darker colors to avoid being eaten.
38.
Why is biodiversity important in fighting disease in food crops?
a)
It prevents one disease from wiping out an entire food crop.
b)
It prevents habitat loss of native species.
c)
It provides different foods for different populations.
d)
It prevents fungal disease from wiping out corn crops.
39.
Forests are often preserved to protect biodiversity. This helps preserve the unique characteristics of the organisms that live there. Sometimes these forests are divided into separate sections that are spread out instead of one continuous forest. This is known as forest fragmentation. Which types of organisms will be the least likely to be affected by forest fragmentation?
a)
herbivorous birds that are able to migrate great distances
b)
omnivores that hibernate in winter in order to conserve energy
c)
omnivores that burrow underground deep in to the soil.
d)
herbivorous mammals that are dependent upon specific plants for food
40.
What does this picture represent?
a)
species diversity
b)
ecosystem diversity 
c)
genetic diversity
d)
biodiversity
41.
Globally, the leading cause of biodiversity loss is 
a)
invasive species
b)
poaching and overharvesting
c)
pollution
d)
habitat change and loss 
42.

Which best describes forest soil?

a)

More clay in the humus layer than in deeper layers

b)

More rock fragments in the humus layer than in deeper layers

c)

More sand-sized particles in the humus layer than in deeper layers

d)

More organic matter in the humus layer than in deeper layers

43.
Which is an example of a renewable resource?
a)
hydroelectric
b)
oil
c)
coal
d)
fossil fuel
44.
Which of these is a nonrenewable resource?
a)
water
b)
wind
c)
coal
d)
biomass
45.
__________ is an energy resource that WILL NOT run out in the next several hundred years.
a)
Renewable Energy Resource
b)
Nonrenewable Energy Resource
c)
Fossil Fuel
d)
Forever Fuel
46.
Coal is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
47.
Solar Power is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
48.
Natural Gas is a __________ energy resource.
a)
Renewable
b)
Nonrenewable
49.
Non-renewable or Renewable: Wood
a)
Non-renewable 
b)
Renewable
50.

Which is not one of the benefits of biodiversity?

a)

Economic value

b)

Uniform genetics in a species

c)

Survival of species in the ecosystem

d)

Cultural value

51.

What are three things that create biodiversity?

a)

species, genetic variation, and ecosystem

b)

mutation, disorder, regression

c)

genes, cells, traits

d)

water, land, mountains

52.

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

53.

Why does biodiversity contribute to a habitat’s sustainability?

a)

The more plants and animals in a habitat, the greater the biomass, which is how habitats store energy.

b)

The greater the number of species, the more competition there is for food between predators, which sustains their populations.

c)

Changing conditions that harm one species leave other species to survive and perhaps even thrive.

d)

Landforms change shape less frequently when there is a greater number of species using the land.

54.

Which of the following describe how human activities affect air resources.

a)

Industrial chemicals, residential sewage, and other such pollutants enter the water because of human activities.

b)

The burning of fossil fuels cause acid rain, and car and industry emissions cause smog.

c)

In dry climates, farming and overgrazing change the farmland into deserts. When people participate in deforestation, soil erosion occurs much more easily.

d)

Using natural resources in a way that does not cause long-term environmental harm is called sustainable development.

55.

Which of the following describe how human activities affect water resources.

a)

Industrial chemicals, residential sewage, and other such pollutants enter the water because of human activities.

b)

The burning of fossil fuels cause acid rain, and car and industry emissions cause smog.

c)

In dry climates, farming and overgrazing change the farmland into deserts. When people participate in deforestation, soil erosion occurs much more easily.

d)

Using natural resources in a way that does not cause long-term environmental harm is called sustainable development.

56.

Which of the following describe how human activities affect soil resources.

a)

Industrial chemicals, residential sewage, and other such pollutants enter the water because of human activities.

b)

The burning of fossil fuels cause acid rain, and car and industry emissions cause smog.

c)

In dry climates, farming and overgrazing change the farmland into deserts. When people participate in deforestation, soil erosion occurs much more easily.

d)

Using natural resources in a way that does not cause long-term environmental harm is called sustainable development.

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