Cumulative Exam — Cumulative exam Answers

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Which are two kinds of echinoderms that use tube feet for movement?

A
sea cucumber and brittle star
B
brittle star and sea star
C
sea star and sea urchin
D
sea urchin and brittle star
2
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Which is an example of biodiversity contributing to the sustainability of an ecosystem?

A
A meadow covers a large area of land, providing shelter to many organisms.
B
The ocean can only support organisms that can survive salty conditions.
C
One species of plant has been growing in a field for several years.
D
Many kinds of fruit trees support a variety of birds and other animals in a forest.
3

The picture represents a structure of the respiratory system.

Question illustration
A
to bring air into the body
B
to exchange oxygen with carbon dioxide
C
to carry air to the lungs
D
to release oxygen from the body
4

CrocodiliansTortoisesSnakesLizards

A
Crocodilians
B
Tortoises
C
Snakes
D
Lizards
6

The biceps brachii is the muscle that moves the arm up and down.Which type of muscle tissue makes up the biceps?

A
smooth
B
skeletal
C
nonstriated
D
cardiac
8

Yeast reproduce asexually during a process in which a new organism grows from the body of the parent. This type of asexual reproduction is called .

Answer not available
9

Which two human activities are believed to be the greatest contributors to global warming?

A
nonnative species introduction and the burning of fossil fuels
B
deforestation and the burning of fossil fuels
C
deforestation and nonnative species introduction
D
non-sustainable harvesting and nonnative species introduction
10

Which graph best represents the relationship between niche diversity and biodiversity?

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
11

Most fish have a sensory structure called a(n) line that runs along the side of the body from head to tail.

Answer not available
12

Which accurately describes gymnosperms? Select three options.Some of them lose their leaves in winter.Some of them lack seeds.Some of them grow small flowers.They are the oldest type of seed plant.They include the tallest plants.They have female cones that produce pollen.

A
Some of them lose their leaves in winter.
B
Some of them lack seeds.
C
Some of them grow small flowers.
D
They are the oldest type of seed plant.
E
They include the tallest plants.
F
They have female cones that produce pollen.
13

Which is an example of primary succession?

A
an oak growing in an abandoned field
B
ferns growing in a forest
C
a new cactus growing next to an old cactus
D
lichens growing on cooled lava rock
14

The Chesapeake Bay is an important natural resource. Over the years, the number of oysters in the bay has declined dramatically, largely because of fishers who catch them and sell them as food. This has affected many other organisms that depend on oysters.

A
eutrophication
B
non-sustainable harvesting
C
nonnative species introduction
D
pollution
15

What is common between the environmental changes of ice ages and global warming?

A
They influence global temperatures in the same way.
B
They have the same causes.
C
They can lead to extinction.
D
They disrupt the same species in the same ways.
16

Which best compares the male and female reproductive system? Select three options.The sperm duct and fallopian tube perform a similar function.The vagina and the penis are the last passageway out of the reproductive system.The glands of the male reproductive system have the same function as the uterus.The testes and ovaries perform a similar function.Testosterone is the dominant hormone in males and females.

A
The sperm duct and fallopian tube perform a similar function.
B
The vagina and the penis are the last passageway out of the reproductive system.
C
The glands of the male reproductive system have the same function as the uterus.
D
The testes and ovaries perform a similar function.
E
Testosterone is the dominant hormone in males and females.
17

binary fissionregenerationcellular meiosisfragmentation

A
binary fission
B
regeneration
C
cellular meiosis
D
fragmentation
18

What would most likely be impossible in plants without turgor pressure?

A
photosynthesis
B
cellular respiration
C
standing upright
D
taking in soil
19

A large manufacturing company releases chemicals into the air every day. The chemicals eventually make their way into local bodies of water, killing many of the organisms that live in these areas.

A
habitat destruction due to pollution
B
habitat destruction due to poaching
C
pollution due to poaching
D
poaching due to habitat destruction
20

sugarurinebloodsaliva

A
sugar
B
urine
C
blood
D
saliva

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