wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Organization of Life

Total questions: 35

Worksheet time: 2hrs 48mins

Name
Class
Date
1.
Which of these is the basic unit of life in all living things?
a)
tissue
b)
organ
c)
cell
d)
atom
2.
A group of tissues that perform a similar function is called_____. (Examples include the heart, lungs or stomach)
a)
cells
b)
tissues
c)
organs
d)
organ system
3.

Which of the following is an example of an organism?

a)

Human

b)

Apple tree

c)

Yeast

d)

All of these

4.
The heart is an example of a(n) _________.
a)
Organ system
b)
Organ
c)
Organism
d)
Tissue
5.

The circulatory (cardiovascular) system is an example of a(n) _______.

a)

Organism

b)

Organ system

c)

Organ

d)

Cell

6.
Organs are made up of ________.
a)
tissues
b)
organ systems
c)
organisms
d)
species
7.

Tissues are made up of ________.

a)

organs

b)

organ systems

c)

organisms

d)

cells

8.
Organisms are made up of __________.
a)
species
b)
genus 
c)
organ systems
d)
domains
9.

These small structures are found within the cell

a)

Organs

b)

tissues

c)

organelles

d)

cells

10.

A specialized part within a body that are made of different tissues.

a)

Cell

b)

organ

c)

organelle

d)

organ system

11.
a)

Organ system

b)

Cell

c)

Organelle

d)

organism

12.

This is a collection of organs that performs a specific function within the body.

a)

Organelle

b)

Cells

c)

Organ

d)

Organ System

13.

Heart

lung

liver

kidney

a)

Organelle

b)

cells

c)

tissue

d)

organs

14.
a)

Organ Systerm

b)

Organelle

c)

Tissue

d)

Organism

15.

A collection of similar cell types that work together

a)

Organelle

b)

Tissue

c)

Organ system

d)

Cells

16.

Nucleus is an example of?

a)

Organs

b)

Organelle

c)

Organ syst

d)

Puppies

17.

An organism made of one cell is called

a)

unicellular

b)

multicellular

18.

Those organisms that are made of more than 2 cells are referred to as ___________________.

a)

unicellular

b)

multicellular

c)

colonized

d)

Michael Jackson

19.

______________ are the basic unit of life.

a)

Atoms

b)

Nucleus

c)

Cells

d)

Organisms

20.

Cells come only from what?

a)

existing cells

b)

nucleus

c)

fission

d)

budding

21.
What is a Tissue?
a)
A group of cells working together in the body to perform one function
b)
group of systems working together to form a complete living thing
c)
is a group of tissues working together to perform a special job.
d)
is a group of organs working together to do a job in the body.
22.
What is an organ?
a)
A group of cells working together in the body to perform one function
b)
group of systems working together to form a complete living thing
c)
is a group of tissues working together to perform a special job.
d)
is a group of organs working together to do a job in the body.
23.

What is an organism?

a)

A group of cells working together in the body to perform one function

b)

group of organ systems working together to form a complete living thing

c)

is a group of tissues working together to perform a special job.

d)

is a group of organs working together to do a job in the body.

24.

Which shows the levels of organization from simplest to most complex?

a)

cell, organ, tissue, organ system

b)

cell, tissue, organ, organ system

c)

organ system, organ, tissue, cell

d)

cell, organ, organ system, tissue

25.
a)
Population
b)
Community
26.
a)
Population
b)
Community
27.
a)
Population
b)
Community
28.

What is an ecosystem?

a)

A community of non-interacting organisms and their physical environment.

b)

A biological community of interacting organisms and their chemical environment.

c)

A biological community of interacting organisms and their physical environment.

d)

A community of non-interacting organisms and their chemical environment.

29.

An example of a population is

a)

all trees in a forest

b)

all maple trees in a forest

c)

all plants in a forest

d)

all animals in a forest

30.

A group of different species that live together and interact in an environment are called a/an ________.

a)

community

b)

habitat

c)

population

d)

ecosystem

31.

A prairie dog, a hawk, and a badger all are members of the same ________________.

a)

niche

b)

community

c)

species

d)

population

32.

A(n) ______ is a group of organisms that are have similar characteristics and can mate with each other to produce offspring that can also mate and reproduce.

a)

organism

b)

species

c)

population

d)

community

33.

What is the largest level of ecological organization that can be observed in the image?

a)

Species

b)

Population

c)

Community

d)

Ecosystem

34.
Which of the following is the most simple level of ecological organization?
a)
A community
b)
An individual or species
c)
A population
d)
An ecosystem
35.
What level of organization can be seen here?
a)
Species
b)
Population
c)
Community
d)
Ecosystem