Living Things and Ecosystems

What gas do leaves absorb during the day?

• Oxygen

• Carbon dioxide

• Nitrogen

• Hydrogen

Tags

NGSS.MS-LS1-6

During photosynthesis, plants produce a food called ______.

• ATP

• glucose (sugar)

• oxygen

• chlorophyll

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

When do plant cells perform cellular respiration?

• day

• night

• never

• every Monday at 1:00 pm

Tags

NGSS.MS-LS1-6

Which activity does NOT release carbon into the atmosphere?

• dead organisms decompose

• fossil fuels burn during combustion

• water cools and condenses to form clouds

• humans exhale during respiration

Tags

NGSS.MS-LS2-3

What happens to the nitrogen in the atmosphere when it is fixed into usable forms by lightning?

• nitrogen atoms are destroyed

• nitrogen atoms are created

• nitrogen atoms rearrange into a different form

• nitrogen atoms disappear

Tags

NGSS.MS-LS2-3

When plants undergo photosythesis they produce--

• carbon dioxide

• oxygen

• hydrogen

• nitrogen

Tags

NGSS.MS-LS1-6

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

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

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

NGSS.MS-LS2-4

Abiotic or Biotic: Water

• Abiotic

• Biotic

Tags

NGSS.MS-ESS2-4