NC EOG 8

Which allows scientists to investigate what Earth’s climate was like over the past 740,000 years?

• volcanic deposits

• fossils

• faults

• ice cores

Which best describes uniformitarianism?

• The time it takes for erosion to occur has changed since Earth first formed.

• The movement of the continents no longer occurs because of changes in ocean currents.

• The processes that shape the Earth continue as they have since the Earth formed.

• The formation of rock layers has slowed because humans have altered the environment.

Tags

NGSS.MS-ESS2-4

If a bat, an alligator, and a bird evolved from a common ancestor, what most likely can be concluded?

• They have similar anatomical structures.

• They live in the same part of the world.

• They are in the same biological classification.

• They are able to survive changes in their environments.

Tags

NGSS.MS-LS4-2

Which best explains why the rate of a biochemical reaction decreases at high temperatures?

• The activation energy increases.

• The shape of the enzyme changes.

• The enzyme-substrate complex forms.

• The bonds between substrates are broken.

This diagram shows a Paramecium, a unicellular protist. When a chemical is added to the pond water in which the Paramecium lives, the Paramecium stops moving. Which structure is most likely affected?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Salivary amylase is an enzyme in humans that breaks down starches. What substance would humans have difficulty digesting with this enzyme?

• lipids

• nucleic acids

• proteins

• carbohydrates

A contractile vacuole helps protists eliminate excess liquid. This is a "pumping" process which reduces pressure inside the cell and prevents the cell from bursting. What is most likely the source of energy for this process?

• DNA

• lipids

• ATP

• ribosomes

What do both prokaryotic and eukaryotic cells contain?

• membrane-bound organelles

• linear chromosomes

• cytoplasm

• a nucleus

Tags

NGSS.MS-LS1-2

Which of these cells in the human body is specialized to transport oxygen throughout the body?

• 
• 
• 
• 

Tags

NGSS.MS-LS1-2

What would most likely be produced when a cell with eight chromosomes undergoes mitosis?

• two cells with four chromosomes each

• two cells eight chromosomes each

• four cells with four chromosomes each

• four cells with eight chromosomes each