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Science 8 Unit B 1.0

Total questions: 65

Worksheet time: 47mins

Name
Class
Date
1.
When different tissues are formed together, they form _____?
a)
organs
b)
organ system
c)
cells
d)
tissues
2.
What organ pumps blood throughout your body?
a)
Lungs
b)
Stomach
c)
Heart
d)
Leaves
3.

T or F : cells are only made up of one cell

a)

True

b)

False

4.

T or F: Life need Energy to live

a)

False

b)

True

5.

T or F : Living things respond to stimuli in their environment

a)

True

b)

False

6.

T or F: Living things do no not reproduce

a)

False

b)

True

7.

T or F: living things do develop but not grow

a)

True

b)

False

8.
Which living things respire, grow and reproduce?
a)
only plants
b)
only animals
c)
only animals and plants
d)
all living things
9.

What is metabolism?

a)

sensitivity

b)

all the reactions taking place in your body.

c)

gases in and out of the lungs from the environment; respiration breaks down food in cells to get energy.

10.

True or False(Plants are living things)

a)

False

b)

True

11.

True or false(bacteria is non-living)

a)

True

b)

False

12.

Are living things are made of cells.

a)

Yes

b)

No

13.
This scientist used flies and meat to determine how maggots were created.
a)
Redi
b)
Leeuwenhoek
c)
Needham
d)
Spallanzani
14.

Review: In Redi's experiment, what was the manipulated variable?

a)

The covering of the the container

b)

The presence of maggots

c)

The container without a covering

d)

The amount of meat in each container

15.

Review: In Redi's experiment, what was the measured variable?

a)

The covering of the the container

b)

The presence of maggots

c)

The container without a covering

d)

The amount of meat in each container

16.

Review: In Redi's experiment, what was the control group?

a)

The covering of the the container

b)

The presence of maggots

c)

The container without a covering

d)

The amount of meat in each container

17.

What is the idea that life can arise form nonliving material?

a)

biogenesis

b)

evolution

c)

spontaneous combustion

d)

spontaneous generation

18.

What did Redi use in his experiment?

a)

Broth and flasks

b)

Meat and jars

c)

swan-neck flasks

19.
A giraffe has a long neck in order to better reach leaves to eat.  This is an example of _____. 
a)
an adaptation
b)
environment
c)
response
d)
stimulus
20.
1. What is an adaptation?
a)
A feature or behavior that helps an animal survie.
b)
The food that an animal eats.
c)
How energy moves in a food web.
21.
what did Charles Darwin observe in finch populations of the Galapagos Islands off the coast of South America?
a)
different species on different islands
b)
all species on one of the islands
c)
identical species on all the islands
d)
the same species as North America
22.
Natural selection can also be referred to as:
a)
Survival of the weakest
b)
Survival
c)
Survival of the fittest
d)
Artificial selection
23.
Which statement best describes the process of evolution?
a)
Populations can survive in different locations on earth
b)
Environmental conditions limit the number of species on Earth
c)
Populations grow when resources are abundant
d)
The traits of a species can change over time
24.
The term that best describes  "the better adapted organisms survive to pass traits along to offspring".
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artifical Selection
25.
All of these finches have different shaped beaks, they are an adaptation to gain access of 
a)
Water
b)
Food
c)
Shelter
26.
This scientist developed the theory of evolution as he studied the finches.
a)
Charles Darwin
b)
Isaac Newton
c)
Albert Einstein
d)
Marie Curie
27.
The differences among a species, like different bird beaks, are called
a)
genes.
b)
variations.
c)
traits.
d)
theories.
28.
When different tissues are formed together, they form _____?
a)
organs
b)
organ system
c)
cells
d)
tissues
29.

What system moves blood throughout your body?

a)

Digestive System

b)

Circulatory System

30.
What organ system breaks down food into materials that the animals need?
a)
Digestive System
b)
Circulatory System
31.
When organs work together they form _____?
a)
Cells
b)
Tissues
c)
Organ systems
d)
Organs
32.
What type of organ takes oxygen from the air you breathe and release waste gases into the air?
a)
Heart
b)
Lungs
c)
Stomach
d)
Stems
33.

Skeletal muscles are attached to our bones via _______.

a)

ligaments

b)

tendons

c)

bones

d)

bone marrow

34.

_________ and ________ systems work together to make you move.

a)

Skeletal, muscular

b)

skeletal, digestive

c)

circulatory, muscular

d)

nervous, circulatory

35.
Organ system that SENDS and RECEIVES MESSAGES to different parts of your body.
a)
Circulatory
b)
Nervous
c)
Integumentary
d)
Digestive
36.
Organ system that takes nutrients from your food and absorbs it into your body.
a)
Circulatory
b)
Digestive
c)
Respiratory
d)
Endocrine
37.
What do bone cells do?
a)
receive and transmit signals
b)
carry gasses (such as oxygen)
c)
provide protection
d)
contract and relax
38.
What does the Urinary system do?
a)
send and receive messages throughout the body
b)
exchanges gasses between blood and the environment
c)
break down food and absorb nutrients
d)
filter the blood and get rid of toxins, wast and excess water
39.
What does the Respirtatory system do?
a)
send and receive messages throughout the body
b)
exchanges gasses between blood and the environment
c)
break down food and absorb nutrients
d)
filter the blood and get rid of toxins, wast and excess water
40.
What does the Nervous system do?
a)
send and receive messages throughout the body
b)
exchanges gasses between blood and the environment
c)
break down food and absorb nutrients
d)
filter the blood and get rid of toxins, wast and excess water
41.
What does the Digestive system do?
a)
send and receive messages throughout the body
b)
exchanges gasses between blood and the environment
c)
break down food and absorb nutrients
d)
filter the blood and get rid of toxins, wast and excess water
42.
What does the Circulatory system do?
a)
Protects the body and maintains temperature
b)
exchanges gasses between blood and the environment
c)
break down food and absorb nutrients
d)
transports gasses, nutrients, and hormones
43.
What does the Skin system do?
a)
Protects the body and maintains temperature
b)
exchanges gasses between blood and the environment
c)
break down food and absorb nutrients
d)
transports gasses, nutrients, and hormones
44.
Organ system that takes nutrients from your food and absorbs it into your body.
a)
Circulatory
b)
Digestive
c)
Respiratory
d)
Endocrine
45.
Organ System that uses kidneys and bladder to REMOVE URINE from your body.
a)
Excretory
b)
Endocrine
c)
Integumentary
d)
Digestive
46.
What is a group of organs that work together?
a)
Cell 
b)
Tissue
c)
Organ Group
d)
Organ System
47.
Organ System that includes skin, hair, and nails.  Protects your body and regulates body termperature.
a)
Integumentary
b)
Circulatory
c)
Digestive
d)
Excretory
48.
Organ system that TRANSPORTS materials around your body
a)
Circulatory
b)
Respiratory
c)
Digestive
d)
Endocrine
49.

Which organ system is this?

a)

Nervous system

b)

Cardiovascular system

c)

Digestive system

d)

Excretory system

50.

Which organ system is this?

a)

Nervous system

b)

Cardiovascular system

c)

Digestive system

d)

Excretory system

51.

Which of these is an organ of the digestive system?

a)

Liver

b)

Brain

c)

Bladder

d)

Kidney

52.

Which organ systems are needed for movement?

a)

skeletal

b)

muscular

c)

nervous

d)

all of these!

53.

What is the name of the large muscle under the ribs which is needed for breathing?

a)

Diaphram

b)

Diaphragm

54.

Which organ system is needed for movement, making blood and protection of other organs?

a)

Muscular

b)

Digestive

c)

Skeletal

d)

Cardiovascular

55.
Which system acts as a barrier from the sun and helps regulate body temperature?
a)
integumentary
b)
muscular
c)
digestive
d)
circulatory
56.
This system supports the body and protects vital organs.
a)
skeletal
b)
muscular
c)
circulatory
d)
nervous
57.
Which system sends electrical messages that helps control the body's responses to internal and external changes?
a)
nervous
b)
endocrine
c)
reproductive
d)
integumentary
58.
Lungs are the primary organs of this system.
a)
muscular system
b)
nervous system
c)
circulatory system
d)
respiratory system
59.
What two systems work together to supply the body with oxygen?
a)
respiratory and muscular
b)
respiratory and circulatory
c)
circulatory and digestive
d)
muscular and digestive
60.
Which example best shows structures that make up the digestive system in the human body? 
a)
Lungs, Heart, Arteries
b)
Brain, Spinal Cord, Nerves
c)
Stomach, Intestines, Esophagus
d)
Nose, Lungs
61.
What is included in the nervous system?
a)
Heart
b)
Skin
c)
Brain
d)
Lungs
62.
What is the function of the digestive system?
a)
Helps different parts of the body to move
b)
Carries digested food, water and oxygen in the blood to all parts of the body
c)
Carries waste materials away from different parts of the body
d)
Breaks down food into simple substances
63.
What is the function of the skeletal system?
a)
Supports the body
b)
Removes air from the body
c)
Absorbs substances so that they can be used by the body
d)
Breaks down food into simple substances
64.
The ___________ is the basic unit of life
a)
organ
b)
cell
c)
atom
d)
tissue
65.
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

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