Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Unit 1 Classification and Characteristics of Life Review

Total questions: 44

Worksheet time: 35mins

Name
Class
Date
1.

Which of the following characteristics is shared by all living organisms?

a)

Breathing oxygen

b)

Metabolism

c)

Reproducing sexually

d)

Heterotrophic

2.

Which type of organism has cells that lack a true nucleus?

a)

Prokaryote

b)

Eukaryote

c)

Multicellular

d)

Protist

3.

Organisms that consist of more than one cell are called:

a)

Unicellular

b)

Prokaryote

c)

Multicellular

d)

Colonial

4.

Which type of reproduction involves only one parent and results in offspring that are genetically identical?

a)

Sexual Reproduction

b)

Asexual Reproduction

c)

Internal Fertilization

d)

External Fertilization

5.

The ability to maintain a stable internal environment is known as:

a)

Metabolism

b)

Homeostasis

c)

Growth and Development

d)

Evolution

6.

Organisms that make their own food, usually through photosynthesis, are known as:

a)

Heterotrophs

b)

Autotrophs

c)

Mixotrophs

d)

Internotrophs

7.

Which of the following best describes the process by which organisms increase in size and develop specialized structures?

a)

Evolution

b)

Growth and Development

c)

Sexual Reproduction

d)

Metabolism

8.

What is the process called by which living organisms change over time, adapting to their environment?

a)

Evolution

b)

Asexual Reproduction

c)

Homeostasis

d)

Metabolism

9.

Which characteristic allows an organism to react to environmental changes?

a)

Metabolism

b)

Respond to Stimuli

c)

Homeostasis

d)

Reproduction

10.

Organisms that obtain their energy by consuming other living things are called:

a)

Heterotrophs

b)

Autotrophs

c)

Mixotrophs

d)

Internotrophs

11.

Which of the following types of cells have a true nucleus?

a)

Prokaryote

b)

Eukaryote

c)

All cells

d)

No cells

12.

Which process allows organisms to pass on their genetic information to their offspring?

a)

Homeostasis

b)

Respond to Stimuli

c)

Metabolism

d)

Reproduction

13.

The sum of all chemical reactions in an organism that provide energy and build materials is known as:

a)

Homeostasis

b)

Evolution

c)

Respond to Stimuli

d)

Metabolism

14.

Which term refers to organisms that consist of a single cell?

a)

Multicellular

b)

Colonial

c)

Dead

d)

Unicellular

15.

What term is used for the genetic material found in the cells of living organisms?

a)

Metabolism

b)

Homeostasis

c)

Nucleus

d)

DNA

16.

Which type of reproduction results in genetically diverse offspring?

a)

Sexual Reproduction

b)

Asexual Reproduction

c)

Internal Fertilization

d)

External Fertilization

17.

What is the process by which a living organism takes in energy and uses it for life functions?

a)

Metabolism

b)

Evolution

c)

Respond to Stimuli

d)

Homeostasis

18.

Which term best describes the ability of living organisms to respond to their environment, such as moving away from light or seeking warmth?

a)

Growth and Development

b)

Homeostasis

c)

Respond to Stimuli

d)

Metabolism

19.

Which of the following is a characteristic of eukaryotic cells?

a)

Having a true nucleus

b)

Being only unicellular

c)

Lacking a nucleus

d)

Being only multicellular

20.

Biology is the study of _________.

a)

Animals

b)

Microscopic organisms

c)

Plants

d)

All living things

21.

The ability of a microscope to show details clearly is called ______.

a)

Enlargement

b)

Resolution

c)

Magnification

d)

Reduction

22.

An object viewed under the low power objective lens(10X) has a total magnification of _____.

a)

40X

b)

100X

c)

400X

d)

1000X

23.

An object viewed under the high power objective lens (40X) has a total magnification of ____.

a)

40X

b)

100X

c)

400X

d)

1000X

24.

Which of the following is NOT a major domain of life?

a)

Archaea

b)

Bacteria

c)

Eukarya

d)

Abiotia

25.

What is the primary distinction between the three domains of life?

a)

Cell wall structure

b)

How they obtain energy

c)

Presence of a nucleus

d)

All of the above

26.

Which of the following is the most inclusive taxonomic rank?

a)

Kingdom

b)

Phylum

c)

Genus

d)

Domain

27.

Which taxonomic rank is used to group the most closely related species together?

a)

Kingdom

b)

Phylum

c)

Genus

d)

Domain

28.

Which taxonomic rank is used to group the most closely related species together?

a)
  1. Kingdom

b)

Phylum

c)

Genus

d)

Domain

29.


What is the difference between an independent and dependent variable?

a)
  1. Independent variables are measured, dependent variables are manipulated

b)
  1. Independent variables are manipulated, dependent variables are measured

c)
  1. Independent variables are controlled, dependent variables are observed

d)
  1. All of the above

30.

Are archaea multicellular or unicellular?

a)

Multicellular

b)

Unicellular

31.

Are bacteria multicellular or unicellular?

a)

Multicellular

b)

Unicellular

32.

Are archaea prokaryotes or eukaryotes?

a)

Prokaryotes

b)

Eukaryotes

33.

Are bacteria prokaryotes or eukaryotes?

a)

Prokaryotes

b)

Eukaryotes

34.

Give an example of an autotroph.

a)

Animals

b)

Fungi

c)

Plants, algae, and some bacteria

d)

Decomposers

35.

What do you call organisms that can make their own food?

a)

Heterotrophs

b)

Autotrophs

c)

Decomposers

d)

Saprophytes

36.

Give an example of a heterotroph.

a)

Plants

b)

Animals

c)

Photosynthetic bacteria

d)

Fungi

37.

What do we call organisms that cannot produce their own food?

a)

Autotrophs

b)

Heterotrophs

c)

Phototrophs

d)

Chemotrophs

38.
The 8 levels of classification, most broad to most specific.
a)
Domain, Genus, Family, Order, Class, Phylum, Kingdom, Species
b)
Domain, Species, Kingdom, Genus, Phylum, Family, Class, Order
c)
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
d)
Domain, Kingdom, Species, Phylum, Family, Order, Class, Genus
39.

What is the genus name here:

Canis lupus

a)

Canis

b)

lupus

40.

What level comes after order?

a)

genus

b)

kingdom

c)

family

d)

species

41.

The _________ levels that 2 organisms share, the more similar they are to each other.

a)

fewer

b)

more

42.

All living things are made of

a)

cells

b)

prokaryotes

c)

autotrophs

d)

heterotrophs

43.

What is a prokaryote?

a)

an organism that has nuclei in its cells

b)

an autotroph

c)

a heterotroph

d)

an organism without a nucleus in its cells

44.

Which of these is a eukaryote?

a)

bacteria living in your digestive system

b)

archaea

c)

bacteria living in food

d)

mold