Friday
July 25, 2014

Homework Help: Science ASAP

Posted by Delilah on Monday, April 1, 2013 at 9:07pm.

1.
Angiosperms have organs such as ______________ and produce seeds. The are described as _________________plants. (1 point)

flowers; vascular
stems; pollinated
rhizoids; vascular
leaves; non-vascular

4.
Of the following, which is NOT a characteristic of vascular plants? (1 point)

cell walls
roots
limited range in height
xylem

5.
Nonvascular plants include _____, which do not have _____. (1 point)

ferns and horsetails; sexual reproduction
horsetails and mosses; transport tissue
liverworts and ferns; sexual reproduction
mosses and liverworts; transport tissue

6.
____ is a chemical compound in the cell walls of plants that help keep the cells shape. (1 point)

Stomata
Cambium
Cellulose
Cuticle

7.
Predict the effect on a food chain when a predator is removed. (1 point)

prey populations decrease
prey populations increase
parasite populations decrease
symbiosis among species increases

8.
The major function of leaves is to ____. (1 point)

make food
store food
transport
absorb nutrients

9.
Which of the following eats consumers? (1 point)

carnivore
herbivore
bacteria
fungi

10.
Which of the following is an example of a nonrenewable resource? (1 point)

natural gas
sun
wind
geothermal

11.
What do the arrows on a food chain show? (1 point)

the direction of energy flow
which animal eats what
the direction of matter flow
all of the above

12.
Factors that prevent organisms from growing to their full potential are called ______factors. (1 point)

biotic
abiotic
limiting
carrying

13.
Which of the following would help conserve natural resources? (1 point)

using solar panels
recycling plastic bottles
reducing carbon dioxide in the atmosphere
all of the above

14.
The increase of gases in our atmosphere is the cause of _______. (1 point)

global warming
an ozone layer hole
decreasing layers of Earth’s atmosphere
increasing chlorofluorocarbons


My answers:
1. flowers; vascular
4. roots
5. ferns and horsetails; sexual reproduction
6. Cellulose
7. prey populations increase
8. make food
9. carnivore
10. sun
11. the direction of energy flow
12. abiotic
13. all of the above
14. an ozone layer hole



**Sorry about all the questions!

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