Oceans and Estuaries

Which features would be most helpful in the intertidal zone?

• bioluminescence, sharp teeth, large eyes

• speed, streamlined body, strength

• large size, fangs, ability to withstand pressure

• ability to bury in the sand, tube feet, hard shell

Tags

NGSS.MS-LS4-4

Which process is used by bacteria that live near hydrothermal vents?

• photosynthesis

• bioluminescence

• chemosynthesis

• regeneration

Because estuaries are protected areas for young animals, they are often called

• rest stops

• a desert

• nature's nurseries

• aquatic preschools

Tags

NGSS.MS-LS2-5

Which ocean environment has frequently changing conditions?

• Estuaries

• Intertidal Zone

• Open Ocean

• Deep Zone

• Neritic Zone

What is an estuary?

• The land area that drains water into a lake river or pond

• The area where river meets the ocean, where fresh water and salt water mix.

• The large body of salt water that covers most of earths surface.

• The underground system that provides drinking water to an area.

Which letter marks the estuary in the diagram shown?

• B

• C

• A

• D

Why are estuaries important to our environment?

• Estuaries filter pollutants

• Estuaries provide nurseries for marine life

• Estuaries act as home for many wildlife

• All of the above

Tags

NGSS.MS-LS2-5

Which of the following are alternative names for estuaries?

• Bays

• Lagoons

• sounds

• all of the above

The high productivity of estuaries has been attributed to primary production units. What of the following would not be considered a primary production unit in an estuary ecosystem?

• Phytoplankton suspended the floating in the sunlight zone

• Benthic algae, a type of plant living on what ever sunlight touches.

• Juvenile zooplankton brought to shore with the tide before hatching.

• Macroflora such as marsh, grass that provide nursery grounds for shellfish.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

NGSS.MS-LS2-1

The blue crab is one of the fastest swimming crabs on the planet. This ability can be attributed to the crabs?

• Paddle like' rear feet

• Large claws

• body shape

• Jointed legs