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Bio 7 - Summary

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Which atmospheric gas contributes to climate change?

a)

oxygen

b)

ozone

c)

carbon dioxide

d)

nitrogen

2.

According to the graph, in the United States how much land is used by cities compared to other land uses?

a)

Most land is used by cities.

b)

Cities use very little land compared to any other category.

c)

Cities use half as much land as agriculture.

d)

Cities use one third as much of the land as forests.

3.
A new store and a parking lot are built in what was a large field.  Which of the following is most likely to happen to the ecosystem in the field?
a)
There will be more food for the animals.
b)
More water will be available to the animals.
c)
There will be less food because there are fewer plants.
4.
What affect does logging (removal) of trees have on the forest ecosystem?
a)
It increases soil erosion and water runoff.
b)
It decreases soil erosion and water runoff.
c)
It increases soil erosion and decreases water runoff.
5.
Biobased energy companies want to replace fossil fuels with renewable, raw materials such as sugars. One fuel that can be made in this way is ethanol. It comes from:
a)
Seaweed.
b)
Corn.
c)
Viruses.
d)
Rain water.
6.
Coal has long been used to produce energy. It is classified as a:
a)
Sugar.
b)
Bacteria.
c)
Fossil fuel.
d)
Natural electric source.
7.

Vertebrates are .......

a)

animals without backbone

b)

animals with backbone

c)

animals with brain

d)

animals without brain

8.

Which of the following are vertebrates?

a)

crab

b)

snake

c)

rabbit

d)

jellyfish

9.

These are

a)

amphibians

b)

mammals

c)

reptiles

d)

fish

10.

Which of the following are characteristics of mammals?

a)

have fur on body

b)

cold-blooded

c)

breath through lungs

d)

lay eggs

11.

These are invertebrates with jointed legs. They are known as .......

a)

arthropods

b)

annelids

c)

mollusc

d)

echinoderms

12.

Which of the following are the features of plants?

a)

move around

b)

can make own food

c)

have cell walls

d)

have chlorophyll

13.

The leaves are feather-like. They reproduce by making spores in sporangia. They are .....

a)

algae

b)

conifers

c)

flowering plants

d)

fern

14.

The height and weight of the students in Year 7 are measured and recorded. The data shows a _______________.

a)

continuous variation

b)

discontinuous variation

c)

no variation

15.
Which one of the following shows discontinuous variation?
a)
Eye colour
b)
Height
c)
Strength
d)
Weight