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Life Science Review

Total questions: 30

Worksheet time: 20mins

Name
Class
Date
1.

Mushrooms, bread molds, and yeasts are classified together in the fungi kingdom. Specific characteristics are used to classify these organisms. Which of the following is a characteristic used to classify these organisms as fungi?

a)

They are parasites.

b)

They are unicellular

c)

They are prokaryotes.

d)

They are heterotrophs.

2.

This organelle is a rigid outer layer that protects plant cells.

a)

Cell Membrane

b)

Cell Wall

c)

Nucleus

d)

Chloroplast

3.

This organelle controls what goes in and out of plant and animal cells.

a)

Cell Wall

b)

Cell Membrane

c)

Cytoplasm

d)

Cytoplasm

4.
This cell DOES NOT have a nucleus
a)
Animal Cell
b)
Prokaryote
c)
Plant Cell
d)
Eukaryote
5.

Which structures do plant cells have that animal cells do NOT have?

a)

cell wall

b)

large central vacuole

c)

chloroplasts

d)

all of these

6.

In an external environment that is always changing, an organism must be able to maintain relatively constant internal conditions. This maintenance of a stable internal environment is known as

a)

transport

b)

homeostasis

c)

metabolism

d)

nutrition

7.

Select the choice that best completes the following sentence:


The _______ system breaks down the food we eat, while the _______ system transports the nutrients to each cell in the body.

a)

circulatory; digestive

b)

digestive; respiratory

c)

muscular; circulatory

d)

digestive; circulatory

8.

How does the skeletal system benefit the digestive system?

a)

It protects organs within the system.

b)

It supplies blood to organs within the system.

c)

It provides oxygen to organs within the system.

d)

It provides nutrients to organs within the system.

9.
Which of the following statements is not part of the cell theory?
a)
Cells are the basic unit of structure and function in all living things.
b)
All cells are produced from other cells.
c)
Only animal cells are composed of cells.
d)
All living things are composed of cells.
10.

A collection of same cells produced through Mitosis, like the muscles in the image, are called....

a)

Organ

b)

Biosphere

c)

Tissue

d)

Macromolecule

11.
Pseudoscorpions often hitch rides on the backs of large beetles or true bugs. What is the ecological relationship?
a)
Mutualism
b)
Commensalism
c)
Parasitism
d)
Cooperation
12.
What term best describes the grasshopper?
a)
Herbivore
b)
Predator-prey
c)
Competition
d)
Producer
13.
Cows and pronghorn both eat the same types of food in areas of Utah. What is the ecological relationship?
a)
Cooperation
b)
Parasitism
c)
Commensalism
d)
Competition
14.
Ants protect soft bodied aphids and in return the aphids feed the ants a sugary drink. What is the ecological relationship?
a)
Cooperation
b)
Parasitism
c)
Commensalism
d)
Mutualism
15.
What is the ecological relationship shown in this image of a robberfly and beetle?
a)
Cooperation
b)
Parasitism
c)
Predator-prey
d)
Competition
16.
An organism that survives longer is more likely to produce_______offspring
a)
less
b)
the same amount
c)
more
d)
no
17.
Traits that help an organism survive are called....
a)
evolution
b)
natural selection
c)
adaptations
d)
habitats
18.

A genotype when there are two alleles that are exactly the same is?

a)

Purebred

b)

Homozygous

c)

Heterozygous

d)

Recessive

19.

An organism with two different alleles for a trait is?

a)

Homozygous

b)

Genotype

c)

dominant factor

d)

Heterozygous

20.

The physical appearance of an organism is?

a)

phenotype

b)

genoty[e

c)

probability

d)

beauty

21.

The small segments of a chromosome that help code for a trait are called?

a)

trait

b)

mutations

c)

DNA

d)

genes

22.
What is the Law of Conservation of mass?
a)
Mass is created in a chemical reaction
b)
Mass is created in a physical change
c)
New chemicals formed from a chemical reaction have a larger overall mass than the original reactants
d)
Mass is never created or destroyed
23.
What will weigh more when a chemical change is complete?  The reactants before the chemical reaction, or the product after the reaction is complete?
a)
They both will weigh the same
b)
The product always weighs more than the reactant
c)
The reactant will weigh more than the product
d)
They both will loose mass after the reaction
24.
What is mitosis?
a)
A process when cells divide to produce 2 daughter cells.
b)
A process where the body produces more body cells.
c)
A process where the body will growth, repair and regenerate itself.
d)
All of the Above
25.

An organism that gains its energy from consuming producers is what level consumer?

a)

Producer

b)

Primary Consumer

c)

Secondary Consumer

d)

Tertiary Consumer

26.

Where a plant cell makes food

a)

chloroplasts

b)

mitochondria

c)

nucleus

27.

the green pigment in chloroplasts that provides energy to the cell

a)

producer

b)

photosyntesis

c)

chloroplasts

d)

chlorophyll

28.
 You would find mushrooms in which kingdom?
a)
Plantae
b)
Protists
c)
Fungi
d)
Animalia
29.
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)
Order, Kingdom, Species, Domain, Phylum, Family, Class, Genus
30.
What are the three domains?
a)
Archaea, Bacteria, and Eubacteria
b)
Archaea, Protists, and Eubacteria
c)
Archaea, Bacteria, and Eukarya
d)
Archaea, Fungi, Animalia

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