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WorksheetsLiving Systems Final
Total questions: 32
Worksheet time: 16mins
Name
Class
Date
1.
Phytoplankton is a
a)
decomposer
b)
producer
c)
consumer
d)
second-level consumer
2.
Marine and terrestrial ecosystems both rely on the Sun as a source of energy.
a)
True
b)
False
3.
Marine and terrestrial ecosystems both rely on plants as the main producers.
a)
True
b)
False
4.
Both marine and terrestrial ecosystems provide water and sugar to all the cells in organisms.
a)
True
b)
False
5.
Both marine and terrestrial ecosystems have producers, consumers, and decomposer organisms.
a)
True
b)
False
6.
A redworm's role in an ecosystem is to break down organic litter into tiny pieces.
a)
True
b)
False
7.
A redworm's role in an ecosystem is to decompose organic waste into fine organic materials called humus.
a)
True
b)
False
8.
A redworm's role in an ecosystem is to introduce air and water into dry soil.
a)
True
b)
False
9.
A redworm's role in an ecosystem is to be used as bait for fishing.
a)
True
b)
False
10.
Which system found in animals is similar to the vascular system in plants?
a)
Circulatory system
b)
Digestive system
c)
Respiratory system
d)
Excretory system
11.
It would be helpful for an organism to be able to attract consumers.
a)
True
b)
False
12.
It would be helpful for an organism to be able to aid plant pollination.
a)
True
b)
False
13.
It would be helpful for an organism to be able to aid seed dispersal.
a)
True
b)
False
14.
It would be helpful for an organism to be able to warn of a bad taste.
a)
True
b)
False
15.
It would be helpful for an organism to be able to aid tracking at night (especially bright colors).
a)
True
b)
False
16.
It would be helpful for an organism to be able to attract a mate.
a)
True
b)
False
17.
It would be helpful for an organism to be able to distract predators.
a)
True
b)
False
18.
It would be helpful for an organism to be able to warn when danger is near.
a)
True
b)
False
19.
The purpose of the heart is to
a)
reach every cell in the body.
b)
exchange gases with the atmosphere.
c)
carry oxygen, food, and nutrients through vessels.
d)
pump blood throughout the body.
20.
The purpose of the kidney is to
a)
pass nutrients from digested food into the blood.
b)
filter waste products from the blood.
c)
break down food with digestive juices and muscles.
d)
reach every cell in the body.
21.
The purpose of the lung is to
a)
carry blood from the heart to the body.
b)
exchange gases with the atmosphere.
c)
carry oxygen, food, and nutrients through vessels.
d)
pump blood throughout the body.
22.
The purpose of the stomach is to
a)
pass nutrients from digested food into the body.
b)
break down food with digestive juices and muscles.
c)
reach every cell in the body.
d)
filter waste products from the blood.
23.
The purpose of a capillary is to
a)
reach every cell in the body.
b)
pass nutrients from digested food into the blood.
c)
carry blood from the heart to the body.
d)
carry oxygen, food, and nutrients through vessels.
24.
The purpose of an artery is to
a)
reach every cell in the body.
b)
carry blood from the heart to the body.
c)
exhange gases with the atmosphere.
d)
filter waste products from the blood.
25.
The purpose of blood is to
a)
carry oxygen, food, and nutrients through vessels.
b)
reach every cell in the body.
c)
exchange gses with the atmosphere.
d)
break down food with digestive juices and muscles.
26.
The purpose of the small intestine is to
a)
reach every cell in the body.
b)
pass nutrients from digested food into the blood.
c)
filter waste products from the blood.
d)
break down food with digestive juices and muscles.
27.
The function of the central nervous system is to
a)
gather information from the environment.
b)
break food down into small pieces so it is easier to absorb.
c)
contract to make arms and legs move.
d)
coordinate action from the brain to other parts of the body.
28.
You try the falling cup investigation. The cup hits your right hand more frequently than your left hand. This means
a)
you are probably right handed.
b)
you are probably left handed.
c)
you need more practice.
29.
This system carries blood to all the cells, providing nutrients & oxygen and removing waste.
a)
Circulatory system
b)
Digestive system
c)
Respiratory system
d)
Vascular system
30.
This system breaks food into simple chemical that can be used by individual cells in the body.
a)
Circulatory system
b)
Digestive system
c)
Respiratory system
d)
Vascular system
31.
This system is where gas exchange takes place. Oxygen comes into the body and carbon dioxide leaves.
a)
Circulatory system
b)
Digestive system
c)
Respiratory system
d)
Vascular system
32.
This system carries water from the roots to the top of the plant and food from the leaves to other cells in the plant.
a)
Circulatory system
b)
Digestive system
c)
Respiratory system
d)
Vascular system
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