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2023-2024 Life Science Final Exam

Total questions: 63

Worksheet time: 51mins

Name
Class
Date
1.
The study of the traits being passed down from one generation to another is called ___________.
a)
genotype
b)
phenotype
c)
allele
d)
genetics
2.
A __________is two letters or genes that an organism gets from sexual reproduction. It represents a trait. (Example: TT, Tt)
a)
genotype
b)
phenotype
c)
allele
d)
organism
3.
If you have blonde hair but both of your parents have the dominant color of brown hair, your parent’s genotypes must have both been:
a)
homozygous
b)
recessive
c)
heterozygous
d)
dominant
4.
If two parents with genotypes (Rr) and (Rr) had a child, what is the probability the child would show a recessive trait?
a)
100%
b)
75%
c)
50%
d)
25%
5.
What are scientific explanations based on?
a)
Evidence
b)
Opinions
c)
Popularity
6.
Observations can be made by using your
a)
eyes only,
b)
hearing or sight, only.
c)
all of your five senses
d)
data collected
7.
A science model should include the following...
a)
arrows
b)
a title
c)
labels
d)
all of the above
8.
Which one of the following do you believe best represents the definition for a “claim”?
a)
A question that expresses the answer or conclusion to a question or problem.
b)
A question that somebody might ask.
c)
A statement that answers a question.
d)
A statement that does NOT answer a question.
9.
Review this graph and answer the question below it: Which statement is correct?
a)
most worms are 7.5 cm long
b)
no worms are 5.5 cm long
c)
the longest worm is 8.5 cm long
d)
7 worms are 6 cm long
10.
All scientific processes begin with a
a)
hypothesis
b)
claim
c)
evidence
d)
question
11.
What is the BEST response to...what would you need to show in order to prove that something is a living thing?
a)
A. They would have to move around.
b)
B. They would have to be able to breathe the air.
c)
C. They would have to be made of cells.
d)
D. They would have to be made of molecules.
12.
What would be the most important piece of equipment that would help you in your investigation to determine if objects are living?
a)
Microscope
b)
telescope
c)
graduated cylinder
d)
hand lens
13.
If you wanted to compare the living things in the water to nonliving things at a similar scale, which of the following could you investigate?
a)
How does the behavior of microorganisms compare to the behavior of oxygen atoms
b)
How does the behavior of microorganisms in the water compare to the behavior of pebbles in the water
c)
How does the behavior of microorganisms compare to the behavior of a single grain of sand in the water
d)
How does the behavior of brine shrimp compare to the behavior of bacteria?
14.
A friend wonders if all living things begin life by hatching from eggs. How should you respond to her question?
a)
A. Yes, all living things hatch from eggs.
b)
B. Only birds hatch from eggs.
c)
C. All living things are born somehow, but not all are hatched from eggs.
d)
D. All living things are hatched from eggs, but the next step of the life cycle is different, depending on the animal
15.
Two kittens that are born to the same parents will:
a)
A. Look identical to each other
b)
B. Have the same traits as adults that they had as kittens
c)
C. Look just like their parents
d)
D. Change as they grow up, based on their environments
16.
How do our stomach and intestines work together?
a)
They help us communicate with other people.
b)
They help us to reproduce.
c)
They break down food that our bodies need to grow and survive.
d)
They sense our surroundings and gives our brain information that keeps us safe.
17.
Plants and animals have structures that help them ___.
a)
survive
b)
grow
c)
reproduce
d)
all of the above
18.
One of your classmates makes 4 statements about the human body and cells. Which one is the most accurate?
a)
Humans are multicellular organisms, but the cells in different parts of our bodies vary in structure and function
b)
Humans are multicellular organisms and all of our cells can live on their own outside of our body
c)
Humans are multicellular organisms and all of our cells look and act similarly
d)
Humans are unicellular organisms.
19.
What do plants, animals, bacteria and humans have in common?
a)
they are all made from eukaryotic cells
b)
they are all organisms
c)
they can all make their own food.
d)
they all breath and sleep
20.
Explain the differences between unicellular and multicellular organisms. Use 3 details to explain your answer.
a)
Unicellular organisms are simple and multi-cellular organisms are complex.
b)
Unicellular organisms have many parts and multicellular organisms have few parts.
c)
Unicellular organisms have many cells and multicellular organisms have only one cell.
d)
Unicellular organisms are do not move to find food and multicellular organisms do.
21.
What is the stimulus in this example? It was 25 degrees out this morning. Hugo put on a sweater and warm socks when he got out of bed.
a)
25 degree weather
b)
putting on socks
c)
putting on a sweater
d)
getting out of bed
22.
Organisms that can create an offspring just like themselves are from the same _________.
a)
genus
b)
species
c)
kingdom
23.
Which type of cells contain DNA?
a)
prokaryotic, only
b)
eukaryotic only
c)
animal cells only
d)
all cells have DNA
24.
Along with ATP energy, what are the other products or outputs of cellular respiration?
a)
glucose and oxygen
b)
water and carbon dioxide
c)
carbon dioxide and oxygen
d)
glucose and carbon dioxide
25.
What do photosynthesis and cellular respiration have in common?
a)
they both make glucose
b)
they both make oxygen
c)
they both are processes
d)
they both create water
26.
These are two organelles that can be found in all prokaryotic and eukaryotic cells.
a)
cell membrane and nucleus
b)
cell wall and nucleus
c)
ribosomes and lysosomes
d)
cell membrane and cytoplasm
27.
What are two organelles that plant cells have that animal cells do not have?
a)
cell membrane and nucleus
b)
cell wall and chloroplasts
c)
lysosomes and ribosomes
d)
cell membrane and cytoplasm
28.
Multicellular and unicellular are types of ___________, while prokaryotic and eukaryotic are types of _____________.
a)
heterotrophs and cells
b)
plants and animals
c)
Organisms and insects
d)
Organisms and cells
29.
What is the general trend of this line graph?
a)
The more you mow, the less money you make.
b)
The more you mow, the more money you make.
c)
You make the same amount of money regardless of how long you mow.
d)
Mowing is dangerous.
30.
According to the table below, the deer population in 1905 was very small. Why do you think the population increased so much by 1920?
a)
The deer did not have many predators in the area.
b)
The deer had many predators in the area at that time.
c)
There was a small amount of deer to reproduce with.
d)
There was a decreased amount of producers in the area.
31.
A group of tissues that work together is a(n) ______________________.
a)
organ system
b)
organ
c)
tissue
d)
organism
32.
Why do we need to break apart the food we eat?
a)
a. So it can fit into our stomachs.
b)
b. So our bodies can use the glucose from the food.
c)
c. So liquids can be separated from solids.
d)
d. So that our bodies' enzymes have something to do.
33.
What does your circulatory system have in common with your nervous system?
a)
a) They send electrical impulses to your body
b)
b) The deliver blood to vital organs
c)
c) They fight infections
d)
d) They’re networks that stretch throughout your body
34.
What can you infer from the fact that your heart beats faster when you exercise?
a)
a. When you exercise, your muscles need more oxygen.
b)
b. When you exercise, you feel especially nervous.
c)
c. When you exercise, your brain becomes hyperactive.
d)
d. When you exercise, your cells need more carbon dioxide.
35.
According to the following specimen, which claims are provided by the evidence in the image. Check all that apply.
a)
CLAIM 1: Living things are made of cells, and nonliving things are not made of cells.
b)
CLAIM 2: Some organisms are unicellular, and some organisms are multicellular.
c)
CLAIM 3: Cells have individual parts that contribute to the function of the cell as a whole.
d)
CLAIM 4: A multicellular organism is made up of different types of cells.
36.
According to the following specimen, which claims are provided by the evidence in the image. Check all that apply.
a)
CLAIM 1: Living things are made of cells, and nonliving things are not made of cells.
b)
CLAIM 2: Some organisms are unicellular, and some organisms are multicellular.
c)
CLAIM 3: Cells have individual parts that contribute to the function of the cell as a whole.
d)
CLAIM 4: A multicellular organism is made up of different types of cells.
37.
According to the following specimen, which claims are provided by the evidence in the image. Check all that apply.
a)
CLAIM 1: Living things are made of cells, and nonliving things are not made of cells.
b)
CLAIM 2: Some organisms are unicellular, and some organisms are multicellular.
c)
CLAIM 3: Cells have individual parts that contribute to the function of the cell as a whole.
d)
CLAIM 4: A multicellular organism is made up of different types of cells.
38.

What is the smallest unit of life in the human body

a)

Tissue

b)

Organ

c)

Cell

d)

Organism

39.

1. Cells group together to form?

a)

Cells

b)

Organisms

c)

Organs

d)

Tissues

40.

1. Tissues are grouped together to form various?

a)

Organisms

b)

Organ

c)

Cells

d)

Organ System

41.

1. Organs work together as part of an?

a)

Cell

b)

Organism

c)

Tissue

d)

Organ System

42.

What is the main function of the Digestive System?

a)

Support/Protection

b)

Breaks down food

c)

Protect against germs

d)

Remove waste

43.

What is the main function of the Circulatory/Cardiovascular System?

a)

Moves materials

b)

Movement

c)

Control

d)

Support/Protection

44.

What is the main function of the Nervous System?

a)

Breaks down food

b)

Protect against germs

c)

Exchange gasses/remove waste

d)

Send and Receive information

45.

What is the main function of the Excretory System?

a)

Breaks down food

b)

Moves materials

c)

Remove waste

d)

Exchange gasses/remove waste

46.

What is the main function of the Respiratory System?

a)

Support/Protection

b)

Exchange gasses/remove waste

c)

Breaks down food

d)

Movement

47.

What is the main function of the Muscular System?

a)

Remove waste

b)

Movement

c)

Exchange gasses/remove waste

d)

Control

48.

Which Body System is this?

a)

Skeletal

b)

Cardiovascular

c)

Nervous

d)

Digestive

49.

Which body system is this?

a)

Nervous

b)

Cardiovascular

c)

Immune

d)

Respiratory

50.

Which Body System is shown here?

a)

muscular

b)

Digestive

c)

Cardiovascular

d)

Respiratory

51.
My spinal cord helps _________ travel between my brain and the nerves in my body. 
a)
Memories
b)
Blood
c)
Waste
d)
Messages
52.
The air I breathe in goes down my trachea to my ______?
a)
Heart
b)
Lungs
c)
Brain
d)
Stomach
53.
Curly hair is dominant to straight hair.
Two straight hair individuals are crossed. What will be the phenotypes of the offspring?
a)
100% straight
b)
50% straight; 50% curly
c)
75% curly; 25% straight
d)
100% curly
54.
In a heterozygous genotype, the ___________ allele takes over in the phenotype.
a)
recessive
b)
dominant
c)
lower case letter
d)
both 
55.
Which of the following is NOT a genotype?
a)
heterozygous
b)
a trait
c)
Bb
d)
homozygous recessive
56.
Heterozygous is when...
a)
the alleles are the same
b)
the alleles are different
c)
the alleles are absent
d)
the alleles are present
57.
What you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
58.
Dominant alleles are represented by a:
a)
Male gene
b)
lowercase letter
c)
recessive trait
d)
capital letter
59.
A dog gives birth to 5 puppies. What percentage of the chromosomes does each puppy share with the mother?
a)
25%
b)
50%
c)
75%
d)
100%
60.
T - tall and t = short
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
61.
B = brown fur  b = white fur
In the punnett square, what is the probability for white fur? 
a)
0%
b)
25%
c)
50%
d)
75%
62.

Identify the stimulus..."A loud noise causes you to cover your ears"

a)

A loud noise

b)

You cover your ears

63.
How does the human body respond to hot temperatures?
a)
hibernates
b)
migrates
c)
sweats 
d)
shivers