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Characteristics of Life

Total questions: 25

Worksheet time: 41mins

Name
Class
Date
1.
What is the most basic unit of life?
a)
cell
b)
tissue
c)
organ
d)
organ system
2.
The scientific name for something living is a(an)
a)
organism
b)
cell
c)
tissue
d)
human
3.
An organism made of one cell is called
a)
unicellular
b)
multicellular
4.
It is hot outside. You start sweating. In this case, the hot weather is the...
a)
stimulus
b)
response
c)
cause and effect
d)
responder
5.

The combination of chemical reactions through

which an organism builds up or breaks down

materials as it carries out its life processes is called ...

a)

absorption

b)

metabolism

c)

digestion

d)

consumption

6.

Maintaining a stable internal

environment is called

a)

homeostasis

b)

equilibrium

c)

balance

d)

evenness

7.

When you step out into the cold, your body shivers in order to keep its temperature at 98.6F. Which characteristic of life does this represent?

a)

All living things use energy

b)

All living things contain cells

c)

All living things maintain homeostasis

d)

All living things grow

8.

Green plants produce their own food through the process of photosynthesis. Which characteristic of life does this represent?

a)

All living things use energy

b)

All living things contain cells

c)

All living things maintain homeostasis

d)

All living things grow

9.

A baby song bird hatches from its egg with both parent songbirds watching. Which characteristic of life does this represent?

a)

All living things reproduce

b)

All living things maintain homeostasis

c)

All living things use energy

d)

All living things grow

10.

A camel has eyelashes that work to keep the dust and sand out of its eyes. Which characteristic of life does this represent?

a)

All living things adapt to their environment

b)

All living things grow

c)

All living things have cells

d)

All living things use energy

11.
Rocks are not living because
a)
they never move
b)
they aren't needed for humans
c)
they are not made of cells
d)
they don't break down
12.
A worm turns away from light is an example of a worm
a)
reproducing
b)
doing cellular respiration
c)
having cells
d)
responding to its environment
13.

Which of the following is an example of homeostasis?

a)

adapting to your environment

b)

maintaining an appropriate respiration rate

c)

the sum of all of your chemical reactions

d)

being composed of more than one cell

14.

Which of the following is a stimulus?

a)

removing your hand from a hot stove

b)

swinging a bat at a baseball

c)

screaming when something scares you

d)

a ball moving from the pitching mound to home plate towards a batter

15.

Which of the following is a response?

a)

a flashlight shined into the eye

b)

a rubber band popping your hand

c)

your pupils constricting when exposed to bright light

d)

blood glucose levels drop significantly

16.

Over three years, Tim's height has increased from 5'4" to 5'11". Which characteristic of life does this represent?

a)

All living things contain cells

b)

All living things maintain homeostasis

c)

All living things use energy

d)

All living things grow

17.

An adult hydra is producing its offspring through budding. Which characteristic of life does this represent?

a)

All living things use energy

b)

All living things reproduce

c)

All living things contain cells

d)

All living things grow

18.
When a baby kitten becomes an adult cat, this is an example of...
a)
energy metabolism
b)
growth and development
c)
response to stimuli
d)
having cells
19.

Over many hundreds of years, a population of rabbits living in the woods adapts to its surrounding with brown fur. Which characteristic of life does this represent?

a)

All living things adapt to their environment

b)

All living things grow

c)

All living things use energy

d)

All living things have cells

20.
Which of the following is the correct order of organization in living things from most basic (simple) to most complex?
a)
a.  Organism, cell, tissue, organ, organ system
b)
a.  Organ system, organ, tissue, cell, organism
c)
a.  Cell, tissue, organ, organ system, organism
d)
a.  Cell, organ, tissue, organ, organism, organ system
21.
How can you tell this plant is a living thing?
a)
It doesn't move.
b)
It is made up of different parts.
c)
It responds to a change in its environment.
d)
It needs shelter.
22.

Which of these do living things NOT need for a species to survive?

a)

DNA/RNA

b)

ability to respond to change

c)

ability to make a permanent home

d)

ability to reproduce

e)

ability to use energy

23.

Which of the following characteristics of living things best explains why birds fly south for the winter?

a)

Living things respond to their environment.

b)

Living things maintain internal balance.

c)

Living things are made up of units called cells.

d)

Living things are based on a universal genetic code.

24.
Before a soccer game Charlie always eats a big dinner. Which characteristic of life does this face best describe? 
a)
living things use energy
b)
living things reproduce
c)
living things grow and develop
d)
living things are based on a universal genetic code
25.

A molecule that contains hereditary information.....

a)

carbohydrate

b)

protein

c)

Lipid

d)

Nucleic Acid

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