Biology EOC Practice

• A

• B

• C

• D

Answer explanation

Select the sample that most closely resembles the "unknown sample"

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

• A

• B

• C

• D

Answer explanation

Liver cells, bone cells, and skin cells are not germ cells, so mutations in those cells will not be passed to children.

Only mutations in sex cells will be passed to offspring.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

• M

• P

• R

• S

• T

Answer explanation

Remember that incorrect temperatures and PHs can cause an enzyme to denature, or change its shape. You also want to keep the amount of enzyme consistent to increase validity of the experiment.

Tags

NGSS.HS-PS1-5

• A

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• D

Answer explanation

When humans move into a new location, they will destroy habitats of many organisms. (Think about cutting down trees to build new structures, etc.) This causes biodiversity to decrease as the organisms are displaced or have new competition for resources.

Tags

NGSS.HS-LS2-2

NGSS.HS-LS2-6

NGSS.HS-LS4-5

• M

• P

• R

• S

• T

Answer explanation

The cell pictured has a nucleus and no cell wall. This means it's a eukaryotic animal cell.

• A

• B

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• D

Answer explanation

A is not correct because offspring produced through sexual reproduction are genetically unique.

C is not correct because gametes are produced by meiosis, not mitosis.

D is not correct because binary fission is a type of asexual reproductions, and dogs perform sexual reproduction.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

• M

• P

• R

• S

Answer explanation

The arrows show the movement of carbon. Above the factory, it shows carbon entering the atmosphere from the factory. This is because the factory is burning fossil fuels. So, R is correct because increasing the activity of the factory (burning more fuels) will increase the carbon in the atmosphere.

Tags

NGSS.HS-ESS2-6

NGSS.HS-LS2-5

• A

• B

• C

• D

Answer explanation

Combustion is another word for burning. Any type of burning puts more carbon into the atmosphere. However, plants do photosynthesis, which takes carbon out of the atmosphere. So, adding more plants will take more carbon out of the atmosphere.

Tags

NGSS.HS-ESS2-6

NGSS.HS-LS2-5

• A

• B

• C

• D

• E

Answer explanation

You can tell that this is primary succession since it starts with bare rock. Therefore, you need two events that will cause bare rock to be exposed. The two most common examples are volcanic eruption and retreating glaciers.

Tags

NGSS.HS-LS2-6

NGSS.HS-LS4-5

• A

• B

• C

• D

• E

Answer explanation

Remember that meiosis is used to create gametes, or sex cells, for sexual reproduction. They are unique and haploid (half the DNA). The two reasons meiosis produces unique cells is because of crossing over in Prophase I and independent assortment in Metaphase I.

Asexual reproduction uses mitosis to make copies of its cells.

Tags

NGSS.HS-LS3-2