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7th Grade May Final (2023)

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Last updated almost 3 years ago
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Question 1
1.
Butterflies taste with their legs, while humans taste with their tongues. In this way, butterflies' legs and humans' tongues are __________ structures.
Question 2
2.
The more homologous structures two species have, the __________closely related they may be.
Question 3
3.
Using _______ anatomy or embryology, scientists study the similarities and differences among the structures in living species.
Question 4
4.

Question 5
5.

Question 6
6.
Species become _______ when they cannot adapt to environmental changes.
Question 7
7.
The changes over time in the inherited traits of a type of organism are __________.
Question 8
8.

Question 9
9.

Question 10
10.

Question 11
11.

Question 12
12.

Question 13
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Question 14
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Question 15
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Question 16
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Question 17
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Question 18
18.

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Question 19
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Question 20
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Question 21
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Question 22
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Question 23
23.
Digestion begins in the mouth with chewing and food mixing with _______, which begins to break down food.
Question 24
24.

Question 25
25.

Question 26
26.

Question 27
27.
Oxygen moves between the respiratory system and the circulatory system when it transfers from __________to __________.
Question 28
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Question 29
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Question 30
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Question 31
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Question 32
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Question 33
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Question 34
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Question 35
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Question 36
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Question 37
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Question 38
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Question 39
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Question 40
40.

Question 41
41.
Removal of waste products in the body is called __________.
Question 42
42.

Question 43
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Question 44
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Question 45
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Question 46
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Question 47
47.

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Question 48
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Question 49
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Question 50
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Question 51
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Question 52
52.
A population of beetles changing from yellow to brown and surviving better is an example of __________.
Question 53
53.

Question 54
54.

Question 55
55.

Question 56
56.

Vestigial structures are remnants of organs or structures that had a function in an early ancestor but no longer serve a purpose.
True
False
What statement is true about the rock layers below?

Only the younger rocks contain simple life forms.
Both older and younger rocks contain more complex life forms.
Only the older rocks contain fossils of complex life forms.
Only the younger rocks contain fossils of complex life forms.
What type of organisms do scientist usually agree that birds are descended from?
mammals
amphibians
fish
reptiles
What does the figure suggest?

The hyracotherium is the same species as the modern horse.
Between 55 and 50 million years ago there weren't any animals that could be considered as related to horses.
The modern horse is related to other extinct species.
Horses appeared up to a million years ago and did not have any ancestors before that time.
Extinctions can be caused by gradual environmental changes, such as mountain formation, or rapid ones, such as volcanic eruptions.
True
False
All organisms on Earth have genes that are made of DNA and function in a similar way.
True
False
Pharyngeal pouches are found in all vertebrate embryos.
True
False
How are tissues related to organs in the body?
Organs are composed of cells
Organs are not present in animals
Tissues form organs
Tissues are not related to organs
What are the different types of animal tissues?
disease, nutrition, excretion, inhalation
producers, consumers, decomposers, omnivores
organic, inorganic, synthetic, natural
liquid, solid, gas, plasma
epithelial, connective, muscle, nervous
What are the different types of plant organ systems?
Water, air, and nutrients
Flowers, fruits, and seeds
Roots, stems, and leaves
Branches, twigs, and trunks
Which of the following statements is true?
Your lungs can store several hours' worth of oxygen.
Your body can't store oxygen at all.
Your body stores oxygen in your bloodstream.
Your body needs carbon dioxide to function properly
Plants have organ systems.
True
False
Put the following items in order from smallest to largest
Population
1 (smallest)
Cell
2
Ecosystem
3
Community
4
Tissue
5
Organ
6
Organism
7
Biosphere
8
Organ System
9 (Largest)
Which of the following is stored in the skeletal system?
sodium
calcium
potassium
water
Fixed Joint
Hinge Joint
Pivot Joint
Ball and Socket Joint
What is the function of peristalsis?
to remove excess liquid from the body
to move food through the digestive system
to absorb nutrients into the blood
to chemically digest food to release nutrients
Food enters the human body through the _____.
mouth
intestine
esophagus
liver
Through what structures does absorption occur in the small intestine?
Glands
Villi
Nerve Endings
Pores
Which of the following is a synonym for the circulatory system?
Respiratory system
Cardiovascular system
Integumentary system
Endocrine system
Where in your body can you find blood vessels? Choose the best answer.
Virtually everywhere
In your head
Around your heart
In your hands and feet
Auditory receptors detect light.
True
False
Of the following, which is NOT a sense organ?
tongue
eyes
intestine
ears
If an area of your body is very sensitive, what can you conclude about that area?
It contains more nerve endings than other areas of your body.
It conducts electricity better than other areas of your body.
It contains more skin cells than other areas of your body.
It contains more neurotransmitters than other areas of your body.
The leaf is a vital organ used for photosynthesis. It is made of more than 1 type of tissue.
True
False
The human skeleton can be divided into 2 parts, the axial, which is the core, and the appendicular, which are the limbs.
True
False
Which of the following is an organ system? ​
Intestine
Circulatory
Heart
Pancreas
What type of human tissue is most similar to dermal tissues in plants?
Nervous 
Muscular ​
Epithelial ​
Connective ​
Why is cartilage important? ​
It adds structure to parts of the body, such as the ears and nose ​
It stores calcium ​
It provides cushion between joints ​
It provides cushion between joints ​and adds structure to parts of the body
What is made inside bones? ​
Cartilage
Nerve cells
Blood cells
Skin cells ​
What type of muscle is most important to moving food through the ​
digestive system? ​
Smooth muscle
Both skeletal and cardiac
Cardiac muscle
Skeletal muscle
Gloria finds four sources of information about animals’ sensory receptors and how the receptors cause different responses in animals.

Which source will most likely provide Gloria with accurate and reliable information?
a scientist’s blog stating that most sensory receptors in animals respond only to light or sound waves as input
a peer-reviewed scientific journal article describing various sensory receptors that cause animals’ eyes to respond to bright light, pressure, and irritating chemicals
a section in a science textbook explaining how sensory receptors in animals respond only to chemical signals as input
a paragraph in a popular scientific book claiming that the single purpose of animals’ sensory receptors is to send signals to the brain to be stored as memories
Of the following, which is NOT a function of blood?
carries waste products
digestion
carries nutrients
carries oxygen
Which of the following is NOT one of the five human senses?
taste
reflex
hearing
touch
A difference in beak shape among members of the same finch species is an example of variation.
True
False
Food we eat has most likely been modified through selective breeding.
True
False
Which of the following is a behavioral adaptation?
blue whales migrating to mate and give birth
tree frogs having long, sticky tongues
alligators’ eyes being on top of their heads to help them see above the water
hedgehogs having stiff spines sticking out of their bodies
Choose ALL that apply.
An adaptation is _______.
the result of a mutation that was beneficial to the population.
is an inherited trait.
increases a species’ chances of surviving.
increases a species’ chances of reproducing.
A mutation can be inherited.
True
False
Match the nitrogenous base with it's pair.
Guanine
Thymine
Thymine
Guanine
Adenine
Adenine
Cytosine
Cytosine
Gregor Mendel observed that pea plant traits did not blend in their offspring. This led him to conclude that:
Traits are inherited in separate units
Traits are not inherited
Pea plants do not have genes
Offspring inherit genes from only one parent
Most mutations occur randomly.
True
False
Where is DNA mostly found?
In the nucleus of a cell
There is no such thing as DNA
In the mitochondria of a cell
On the outside of the cells
What is a common ancestor?
An animal that has a lot of offspring
An animal that is related to many other species
An animal that is good at escaping from predators
An animal from which two or more species evolved
The average size of a grocery store chicken has more than doubled in the past century. What is the most likely reason for this change?
Artificial selection created a larger breed of chicken
Mutations occur less frequently in chickens than they did a century ago
Grocery stores used to sell younger chickens
Natural selection resulted in a larger species of chicken
How do mutations affect natural selection?
They are the leading cause of extinction
They slow down the process
They prevent organisms from evolving
They affect how likely an organism is to survive and reproduce
How is genetic engineering different from artificial selection?
Genetic engineering enables humans to directly change DNA
Genetic engineering is not yet possible to edit the genetic code
Genetic engineering can only be used on animal DNA
Genetic engineering enables humans to influence the inheritance of DNA
What does a Punnett square show in terms of genetics?
Possible offspring genotype and phenotype
Parent genotype and phenotype
Future offspring number
Parent phenotype only