Science Ecosystems

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

A tapeworm lives in human intestines, absorbing the nutrients that would normally be absorbed by the person. This eventually causes the person health problems. The relationship between the tapeworm and the human is -

• parasite/host

• predator/prey

• herbivore/omnivore/omnivore

• consumer/producer

When plants undergo photosythesis they produce--

• carbon dioxide

• oxygen

• hydrogen

• nitrogen

Tags

NGSS.MS-LS1-6

Abiotic or Biotic: Water

• Abiotic

• Biotic

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS2-1

The population density of marine life is denser along the shorelines of the ocean than farther out in the deep waters of the ocean.  Which statement provides the BEST reason for this situation?

• Ocean currents prevent many smaller marine organisms from living in deep water.

• The shallow waters have fewer predators.

• Coastal waters are less polluted than the deeper waters of the ocean.

• There are more nutrients in shallow waters.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

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

Which BEST explains the importance of dissolved gases in the ocean?

• They help control pollution.

• They help provide oxygen for aquatic animals.

• They help maintain a constant water temperature.

• They help maintain constant levels of salinity.

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

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

• agriculture

• sedimentation

• bacteria

• urban runoff

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

NGSS.MS-LS2-5