NC Science

Which evidence supports the idea that life on Earth has continually evolved?

• evidence from layers of tree rings

• evidence from rock layers, fossils, and ice cores

• evidence gathered from melting glaciers

• evidence that the climate has changed over the past 100 years

Tags

NGSS.MS-LS4-1

Which would most likely increase the genetic variation in a population of organisms?

• increase in diseases

• decrease in diseases

• increase in mutations

• decrease in mutations

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4

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

• volcanic deposits

• fossils

• faults

• ice cores

Recent changes in species can be found in the upper layers of rock. This provides a link between which two scientific ideas?

• cell theory and the theory of evolution

• the periodic nature of the elements and cell theory

• the theory of evolution and the Law of Superposition

• the Law of Superposition and the periodic nature of the elements

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which example BEST represents an interconnection between an aquatic food web and a terrestrial food web?

• Fish eat insects that land on the surface of a pond.

• Snakes eat bird eggs.

• Bats eat mosquitos.

• Mountain lions catch and eat deer.

Tags

NGSS.MS-LS2-2

What is one way the government of the United States attempts to reduce pollution in the oceans?

• create new desalination plants

• discontinue sewage treatment programs

• increase oil and gasoline production

• enforce laws limiting trash dumping

Which is an example of a physical change?

• boiling

• burning

• rotting

• rusting

Tags

NGSS.MS-PS1-4

Which project is MOST LIKELY to interest a scientist working at a biotechnology company?

• study and reconstruction of fossilized bones

• conservation of key species within ecosystems

• development of genetically modified corn plants

• prevention of sewage leaking into water supplies

Tags

NGSS.MS-LS4-4

NGSS.MS-LS4-5

Which source of water pollution includes oil and gasoline discharge from automobiles and storm sewer discharge?

• agriculture

• bacteria

• sedimentation

• urban runoff

Which BEST describes a bio-indicator?

• a species that has a short life span

• a species that depends on specific conditions to survive

• a species that can adapt to a variety of conditions

• a species that has been introduced to an ecosystem