Semester 2 Final Exam

What does DNA stand for?

• Deoxyribonucleic Acid

• Dilponeutonic Astromere

• Dyoximanonucleic Acid

• Dupicate Number of Nuclei

In a human diploid cell there are _ chromosomes, half of which come from each of offspring's parents.

• 46

• 59

• 1056

• 9 billion

When two sexually reproducing organisms mate, they produce unique _.

• offspring

• clones

• hormones

• sounds

Tags

NGSS.HS-LS3-1

________ ____ occurs during Prophase where chromatids can swap DNA creating mutations.

• Crossing over

• DNA unwinding

• Chromatid splitting

• Lining up

A sex cell is also called a _?

• gamete

• platypus

• mother

• daughter

Tags

NGSS.HS-LS3-2

____ ____ is a process in which organisms better suited to their environment are able to survive and reproduce more offspring.

• Natural selection

• Artificial selection

• Variation

• Menu Selection

Tags

NGSS.HS-LS4-4

NGSS.HS-LS4-2

_____ are traits passed down from parents and _______ are different variations of them.

• Genes, Alleles

• Alleles, Genes

• gametes, sperm

• DNA, chromosomes

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

According to The Principle of Superposition, earth layers are deposited with _______ layers being on the bottom and the ________ layers being on top.

• youngest, oldest

• oldest, youngest

• rocks, gravel

• plants, fossils

Tags

NGSS.MS-ESS1-4

Choose the correct statement.

• Natural selection involves organisms choosing to adapt.

• The fittest organisms in a population are the strongest, healthiest and/or largest.

• Natural selection always acts for the good of the species.

• Genetic mutations are random, but natural selection itself is not random at all.

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-4

When discussing human impacts on the environment, what does "mitigation" mean?

• Trying to lessen the future effects of climate change.

• Trying to increase the effects of climate change.

• To move from one area to a new area.

• To build sea walls to prevent currently flooding areas.

Tags

NGSS.HS-ESS3-6

NGSS.HS-ESS3-4

NGSS.HS-LS2-7