Science 9 Unit A Biodiversity

What does DNA stand for?

• Do Not Assist

• deoxyribbon nucleic acid

• deoxyribonucleic acid

• dexyribonucleic acid

What is a niche?

• the habitat of an organism

• how many organisms of that kind live in the area

• an organism's role in the ecosystem

• a rash you need to scratch

An advantage of asexual reproduction:

• the population can grow quickly in a short amount of time

• offspring can adapt to their environments faster

• long term bonds are formed between the parents and offspring

• there is more variety in the offspring

How many alleles (letters) do each person carry for a trait?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Aa, DD, bB, yy are all examples of

• genotypes
• phenotypes

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following genotypes is homozygous dominant?

• A
• Aa
• AA
• aa

Identify the statement that is most accurate for the relationship between evolution and natural selection.

• Evolution is the mechanism for natural selection

• Natural selection is the mechanism for evolution

• Evolution results in natural selection

• Natural selection results in evolution

In natural selection, the selective agent is the

• humans
• mutations
• breeders
• environment

Tags

NGSS.HS-LS4-4

NGSS.HS-LS4-5

Natural selection could not occur without

• geographic isolation

• variation in the population

• stable environments

• competition for unlimited resources

Tags

NGSS.MS-LS4-4

A __________ includes all living and non-living things in an environment. 

• population
• niche
• abitotic
• ecosystem

Tags

NGSS.MS-LS2-3