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Ch. 5 Lesson 1/2

Total questions: 18

Worksheet time: 9mins

Name
Class
Date
1.

True or False? Most plants, animals, and humans are unicellular organisms.

a)

True

b)

False

2.

What is the branch of science that studies the classification of living things?

a)

Zoology

b)

Kingdom

c)

Taxonomy

d)

Chemistry

3.

Organisms that get their energy from other organisms are called what?

a)

Heterotrophs

b)

Autotrophs

4.

Organisms that obtain energy through chemical processes are called what?

a)

Heterotrophs

b)

Autotrophs

c)

Chemoautotrophs

5.

This type of organism obtains energy by converting light energy into usable energy. What is this organism called?

a)

Heterotroph

b)

Autotroph

6.

What is the outer structure of a cell called?

a)

Cell Membrane

b)

Mitochondria

c)

Cytoplasm

7.

All organisms need __________ to survive. (Choose all that apply).

a)

Food

b)

place to live

c)

water

d)

sunlight

8.

What is a specific environment where an organism lives called?

a)

source of energy

b)

habitat

c)

place

d)

home

9.

What are the four macromolecules that make up cells? (Select all that apply).

a)

Proteins

b)

Carbohydrates

c)

water

d)

lipids

e)

nucleic acids

10.

All living things _________.

a)

grow

b)

reproduce

c)

respond to the environment

d)

all of the above

11.

What is the two-word naming system that gives each living thing a two-word scientific name called?

a)

cells

b)

binomial nomenclature

c)

key

d)

taxon

12.

All living things are made out of _____________.

a)

cells

b)

skin

c)

food

d)

sunlight

13.

What is the liquid inside a cell called?

a)

nucleus

b)

Photosynthesis

c)

cytoplasm

d)

mitochondria

14.

What is considered the "brain" of the cell?

a)

cell wall

b)

cytoplasm

c)

mitochondria

d)

nucleus

15.

During what process do chloroplasts capture light and convert it into usable energy?

a)

Eating

b)

Photosynthesis

c)

Reproduce

16.

Bacteria & other unicellular organisms reproduce, _____________, which means they do not need a partner.

a)

sexually

b)

asexually

c)

proteins

17.

True or False? Unicellular organisms are made up of only ONE cell.

a)

True

b)

False

18.

True or False? Multicellular organisms are organized by levels: first CELLS, then TISSUE, then ORGANS, then ORGAN SYSTEMS.

a)

True

b)

False