EOC Biology Review

The gopher snake uses its glottis to produce a hiss sound that sounds similar to a rattlesnakes rattle. What is the MOST LIKELY reason a gopher snake would do this?

• to attract prey
• to attract a mate
• to confuse predators
• to increase adrenaline flow

Tags

NGSS.HS-LS4-4

A population of salamanders that live in a river require fresh, clear water to survive. A flood causes tons of sediment to be suspended in the river. Which of these MOST LIKELY will happen to the salamander population?

• salamanders adapt to life on land
• salamanders will move to another river
• salamanders will adapt to living in the muddy water
• salamanders will decrease in number because of water color

Tags

NGSS.HS-LS2-6

Which of these best explains the difference between the way animals and plants exchange gasses with their environment?

• Animals use only photosynthesis, plants use both photosynthesis and respiration
• Animals use only respiration, plants use both photosynthesis and respiration
• Animals use both photosynthesis and respiration, plants use only respiration
• Animals use both photosynthesis and respiration, plants use only photosynthesis

Tags

NGSS.HS-LS1-7

What is the MAIN function of the selectively permeable membrane?

• storage of water
• storage of chemicals
• breaks down molecules in the cell
• regulates what enters/exits the cell

The papaya mealybug is a pest that poses a threat to many tropical plants. Which fate of the mealybug would result from the inability of the species to reproduce?

• the species would mutate
• the species would increase
• the species would go extinct
• the species would continue to thrive

Tags

NGSS.HS-LS4-5

NGSS.HS-LS4-2

In a certain fly, round wings (R) are dominant to pointed wings (r). Which cross would produce the greatest number of genotypes and phenotypes?

• rr x rr
• Rr X Rr
• Rr x RR
• RR x RR

Tags

NGSS.HS-LS3-3

Polar bears swim across large expanses of ocean while hunting for seals, their main source of food. The bears use the ice as resting spots during long swims. However, the sea ice is rapidly melting as a result of global warming. Which statement describes what MOST LIKELY will happen as global warming continues?

• Polar bear and seal populations will decrease
• Polar bear population will decrease and seal population increase
• Polar bear population will increase and seal population will decrease
• Polar bear populations will decrease, seal populations will not change

Tags

NGSS.HS-LS4-5

NGSS.HS-LS2-6

NGSS.HS-ESS3-5

A strand of DNA is exposed to intense heat. Which of these BEST describes what will happen to the strand of DNA?

• The chemical bonds of the DNA will be broken
• More nitrogen base pairs will add on to the DNA molecule
• The chemical bonds of the DNA molecule will be strengthened
• The nitrogen base pairs in the DNA molecule will switch places

Which structure is primarily responsible for directing all processes of a plant cell?

• chloroplast
• lysosome
• mitochondria
• nucleus

The loss of habitat in a forest region has caused some plant species to become extinct, while others survive. The process by which some plant species survive and others do not in a changing environment is best explained by

• natural selection
• law of segregation
• biological magnification
• alternation of generations

Tags

NGSS.HS-LS4-5

NGSS.HS-LS4-2

NGSS.HS-LS4-4