NC Science

Some scientists think that all life evolved from a common ancestor. Which provides evidence that this may be true?

• analogous structures of organisms

• homologous structures of organisms

• extinction of many varieties of plant species

• existence of many varieties of bacteria species

Tags

NGSS.MS-LS4-2

Which best supports the idea of continental drift?

• Coastlines are constantly changing shape due to erosion.

• Earthquakes are frequently felt in many regions of the world.

• Glaciers currently exist in areas considered too warm for glaciers to form.

• Fossilized remains of the same plants and animals are found on different continents.

Tags

NGSS.MS-ESS2-3

Which best explains why species living in Australia are found nowhere else on Earth?

• Australia has an ecosystem different from any other area on Earth.

• Humans have genetically altered many Australian species in laboratories.

• Australian species were genetically altered after a comet hit the landmass.

• Australia separated from other continents and species there evolved independently.

Two organisms have homologous structures. Which can most likely be concluded about the two organisms?

• They are unrelated.

• They are the same organism.

• They share a common ancestor.

• They evolved in a similar environment.

Tags

NGSS.MS-LS4-2

What would be a logical step to determine if a water source is acidic or basic?

• Taste the water.

• Check the water color.

• Use a pH meter or pH strips to measure the pH level.

• Smell the water.

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DOK Level 1: Recall

Which of the following is NOT a component of an atom?

• Electron

• Neutron

• Proton

• Molecule

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DOK Level 1: Recall

What is the atomic number of an element that has 17 protons?

• 15

• 17

• 20

• 12

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DOK Level 1: Recall

It is possible to hypothesize how a particular group of organisms evolved by arranging fossils in a chronological sequence. Where would the oldest fossils be found?

• the deepest rock layer

• the most shallow rock layer

• the rock layer with the greatest variety of fossils

• the rock layer containing fossils with the most complex structures

Tags

NGSS.MS-LS4-1

Which best helps scientists explore the relationship between modern organisms and ancestral species to create a system of biological classification?

• volcanic ash

• fossils

• DNA evidence

• igneous rock layers

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

NGSS.MS-LS4-3

Which evidence found in fossils supports that an ice age occurred during a particular time period?

• fern fossils

• glacial sediments

• high oxygen levels

Tags

NGSS.MS-LS4-1