AnswersFL-2000310-Biology 1 Sem 2 - FlexLab: Interdependence of Organisms

Lab: Interdependence of Organisms — Cumulative exam Answers

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21
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How does mining impact the environment?

A
It has a positive impact on the environment by permanently altering the ecosystem.
B
It has a positive impact on the environment by releasing chemicals into the environment.
C
It has a negative impact on the environment by allowing toxic chemicals to harm wildlife.
D
It has a negative impact on the environment by providing new niches for wildlife to inhabit.
22
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Scientists group organisms into kingdoms by looking at specific characteristics. Thermus aquaticus, shown below, is a specialized bacteria called a thermophile. Thermophiles are microorganisms that can live in bodies of water that are extremely hot, such as deep sea hydrothermal vents.Which characteristic most likely describes a mushroom but not Thermus aquaticus?

Question illustration
A
cell wall
B
eukaryotic
C
unicellular
D
prokaryotic
23

Which term refers to all areas of Earth where life exists?

A
biosphere
B
biome
C
community
D
ecosystem
24

The picture represents gas exchange in the alveoli. Observe what is happening at location X.

Question illustration
A
It will move out of the body.
B
It will enter the blood.
C
It will be carried to cells.
D
It will undergo respiration.
25

In rock layers, jellyfish fossils are found lower than trilobite fossils, and trilobite fossils are found lower than ammonite fossils. What can be determined from this information?

A
Trilobites existed before jellyfish and ammonites.
B
Jellyfish existed before trilobites and ammonites.
C
Ammonites existed before trilobites and jellyfish.
D
Jellyfish, trilobites, and ammonites lived together.
26

Alzheimer's disease has some lifestyle factors because

A
everyone can contract it in their lifetime.
B
it can be influenced by nutritional choices.
C
up until now there is no known cure for it.
D
it can be contracted through germs.
27

The student body president is launching a campaign to fight the spread of flu in his school. Which of the following should he encourage students to do?

A
shower twice a day
B
drink plenty of fluids
C
eat healthy snacks
D
wash their hands regularly
28

A commercial on television advertises a new medicine that claims to boost immunity. You want to verify that the claim is scientifically based. Which source is least likely to provide you with accurate information about this new medicine?

A
a magazine about entertainment and lifestyle trends
B
the studies that the television ad cites
C
a brochure from the doctor’s office
D
the website of the governmental agency that tests health products
29

What do sclerenchyma and collenchyma have in common?

A
They are both thin-walled.
B
They are both dead cells.
C
They both function for support.
D
They both function for food production and storage.
30

When a plant produces sugars and transports them during translocation, which main plant tissues are at work?

A
dermal and meristem
B
dermal and vascular
C
ground and dermal
D
vascular and ground
31

Which statement best describes the difference between xylem and phloem?

A
Xylem transports water and nutrients in the plant, and phloem transports water and sugar.
B
Xylem cells make up vascular tissue, and phloem cells make up ground and dermal tissue.
C
Xylem tissue is found at the growing parts of plants, and phloem is found on the outer part of plants.
D
Xylem cells are thin-walled and tubular, and phloem cells are thick walled and strengthened by lignin.
32

Which of these are most likely homologous structures? bat wing dragonfly wing Tyrannosaurus arm

Question illustration
A
bat wing and dragonfly wing
B
bat wing and Tyrannosaurus arm
C
dragonfly wing and Tyrannosaurus arm
D
bat wing, dragonfly wing, and Tyrannosaurus arm
33

Maintaining a healthy lifestyle through diet and exercise is important,

A
but it has no effect on the immune system.
B
but it actually decreases the immune system.
C
but exercise is more important than diet for the immune system..
D
but no specific diet has been proven to boost the immune system.
34

Fossils provide scientists with evidence that allows them to hypothesize how living organisms have evolved over time. Tiktaalik roseae was a unique organism that has been nicknamed the “fishapod” because it is believed to be a species had traits of both fish and tetrapods, the first four-legged animals.Which evidence would scientist use to make the connection between ancestry of fish and tetrapods using Tiktaalik roseae?

Question illustration
A
using transitional forms
B
using relative dating
C
studying decreasing complexity
D
studying analogous structures
35

Cacti typically grow in very dry climates with infrequent rainfall. When it does rain, the rain usually only penetrates a few inches into the soil. Which adaptation is most likely to help a cactus survive in the dry climate?

A
thick xylem tissue to transport sugar
B
leaves that have a thin cuticle
C
extensive shallow roots that absorb water
D
more dermal tissue for food storage

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