Ohio Life Science Review

When plants undergo photosythesis they produce--

• carbon dioxide

• oxygen

• hydrogen

• nitrogen

Tags

NGSS.MS-LS1-6

What is the definition of EUTROPHICATION?

• Occurs when individuals leave a population.

• Relationship in which two or more organisms depend on the same limited resource.

• An interaction between two or more living things in which they are said to work together.

• Process in which organic matter and nutrients build up in a body of water.

Tags

NGSS.MS-LS2-4

Fossil evidence shows that Archaeopteryx, an ancient bird-like animal, had many reptile-like features including a long tail with many vertebrae and claws. Which conclusion does the fossil evidence support?

• Birds and reptiles laid eggs.

• Birds and reptiles had similar evolutionary beginnings.

• Birds and reptiles had similar behaviors.

• Birds and reptiles lived at the same time in the ancient past.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

A coal-burning facility is constructed in an area containing several pond ecosystems. How will this human activity most likely affect the pond ecosystems?

• More nutrients will be available.

• Organism diversity will increase.

• Disease will become less common.

• Water quality will be reduced.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which of the following best describes an ecosystem?

• A collection of plants and animals

• A community of living organisms in conjunction with the nonliving components of their environment, interacting as a system

• A group of interacting animals

• A single species and its natural habitat

Tags

NGSS.MS-LS2-3

What does an energy pyramid show?

• The amount of energy consumed by humans

• The number of animals in an ecosystem

• The flow of energy from one trophic level to the next in an ecosystem

• The physical structure of a forest

Tags

NGSS.MS-LS2-3

Which of the following best describes the flow of energy in an ecosystem?

• It flows from decomposers to producers to consumers

• It is recycled among producers only

• It flows from producers to consumers to decomposers

• It flows directly from the sun to all living organisms equally

Tags

NGSS.MS-LS2-3

What is the role of decomposers in an ecosystem?

• To produce oxygen through photosynthesis

• To consume living plants and animals

• To break down dead organisms and recycle nutrients back into the ecosystem

• To serve as the primary source of energy in an ecosystem

Tags

NGSS.MS-LS2-3

What is the definition of LIMITING FACTOR?

• Occurs when individuals join a population.

• Occurs when individuals leave a population.

• The maximum number of individuals an environment can support at any given time.

• An environmental factor that prevents an organism or population from reaching its full potential of size or activity.

Tags

NGSS.MS-LS1-5

Which instrument is used to take an image from outer space that shows the depletion of the ozone layer in Earth’s atmosphere?

• microscope

• planetarium

• satellite

• spectroscope