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Cells, Body Systems, Genetics Review

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.
Which is an example of a single-celled organism?
a)
amoeba
b)
insect
c)
fish
d)
worm
2.
Why do multicellular organisms need transport systems?
a)
Most have cells that are unable to grow and survive in their environment.
b)
Most have cells that are not able to exchange gases with the outside
environment.
c)
Most have cells that need food from sources outside their environment.
d)
Most have cells that require more energy to survive than single-celled
organisms.
3.
Which is a function of the cardiovascular system?
a)
to move water throughout the body
b)
to provide structural support for the body
c)
to eliminate waste from the body
d)
to transport gases throughout the body
4.
Which body system sends electrical signals to all other body systems?
a)
circulatory system
b)
digestive system
c)
muscular system
d)
nervous system
5.
Which statement best describes a bacterial cell?
a)
It contains more than one cell.
b)
It is a complete organism.
c)
It is part of a larger organism.
d)
It contains different kinds of cells.
6.
Which characteristic do single-celled organisms and multicellular organisms have in common?
a)
Both have cells with specialized functions for each life process.
b)
Both perform all life processes within one cell.
c)
Both have a way to get rid of waste materials.
d)
Both are able to make food from sunlight.
7.
Which system of the human body provides protection to most of the major organs?
a)
skeletal system
b)
circulatory system
c)
respiratory system
d)
muscular system
8.
Which example best shows structures that make up the digestive system in the human body?
a)
heart, blood, vessels
b)
nose, trachea, lungs
c)
brain, spinal cord, nerves
d)
esophagus, stomach, intestines
9.
A scientist is trying to decide whether an organism is unicellular or multicellular. Which information would help the scientist most to make her decision?
a)
size of the cells of the organism
b)
what the organism eats
c)
how many types of cells are in the organism
d)
how fast the organism grows
10.
Which body system processes foods into a useable source of energy?
a)
circulatory
b)
digestive
c)
nervous
d)
skeletal
11.

A mother rabbit has a litter. One of the babies is born with one long ear and one short ear. What most likely caused this one rabbit to be born with one short ear?

a)

The mother rabbit had preciously lost an ear in an accident

b)

The mother rabbit became sick before she gave birth

c)

A mutation occurred during the development of this one rabbit

d)

This one rabbit received less nutrition than the other rabbits before it was born

12.

Which is an example of a trait that is inherited?

a)

dimples

b)

intelligence

c)

weight

d)

favorite color

13.

Which of these traits is most influenced by a person's environment?

a)

ability to roll the tongue

b)

blood type

c)

weight

d)

color

14.

Which is most likely the reason parents and their children have similar physical traits?

a)

They live in the same home

b)

They have similar genetic structures

c)

They are born in similar environments

d)

They have similar blood types

15.

Which is a trait children most likely inherit from their parents?

a)

favorite color

b)

food preference

c)

freckles

d)

weight

16.

Which characteristics is the best example of an inherited trait?

a)

short hair

b)

eye color

c)

pierced ears

d)

long fingernails

17.

Which is an examples of a noninherited trait?

a)

shape of face

b)

hair color

c)

food preference

d)

tongue rolling

18.

Kara’s three sisters have black hair just like their mother. Which most likely explains why Kara has brown hair?

a)

Kara’s father has brown hair.

b)

Kara is older than her sisters.

c)

Kara is younger than her sisters.

d)

Kara's mother prefers brown hair.

19.

Steve’s class is visiting the zoo. He observes that the stripe patterns of two zebras are very different. Which most likely explains why the zebras have different stripe patterns?

a)

The zebras eat different types of grass.

b)

The zebras are active at different times of the day.

c)

The zebras react to their habitat at the zoo in different ways.

d)

The zebras are expressing the trait for stripe pattern in different

ways.

20.

Rodney practices his piano each day after school to increase the speed of his fingers. Which is most likely another learned characteristic that he has?

a)

He is tall.

b)

He has long fingers.

c)

He has a deep voice.

d)

He can read sheet music

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