.1 Which of the following is a true statement about an estuary? *
1 point
A.Plants and animals can not survive in salt water.
B.Estuaries don't change very often.
C.Estuaries can only be found in warm climates.
D.Brackish water comes together at the river mouth.

This is a required question
2. What is an estuary? *
1 point
A.The area where a river meets the ocean, where fresh and salt water mix.
B.The large body of salt water that covers most of the earth's surface.
C.The land area that drains water into a lake, river, or pond.
D.The underground system that provides drinking water to an area.
3. Why are estuaries important to our environment? *
1 point
A.They provide homes for many species of wildlife.
B.All of the above
C.They help to filter pollutants from the water.
D.They are important nursery areas for a variety of marine life.
4. Which of the following best describes organisms found in the intertidal zone ? * 1 point
adaptations that include burying, hiding and protective shells
A.the ability to inhabit many B.different ocean zones.
C.adapted to the open ocean environment.
D.Animal adaptations include migration throughout the worlds oceans. Other:
5. When are low tide organisms exposed to air? *
1 point
A.during high tide
B.during low tide
C.during no tide
D.during mid tide
Other:_________
6. Animals in tidepools must keep from drying out during? *
1 point
A.tsunami
B.new moon
C.high tide
D.Low tide
Other:__________
7. Why would it be advantageous to burrow oneself into the sand if you lived in an intertidal zone? * 1 point
A.So you could get more oxygen
B.It would not be advantageous to burrow into the sand.
C.So you would not be carried away by the tides
D.So you could make a bigger home
Other:____________
8. Which of the following shall you do in order to protect the intertidal zone? * 1 point
A.travel the ocean irresponsibly.
B.throw garbage in bodies of water.
C.use fewer plastic products.
D.purchase items that exploit marine life.
Other:__________
9. All of the following are examples of abiotic factors except one *
1 point
A.Substrate.
B.Temperature.
C.Predation.
D.Salinity.
Other:_____________
10. When you visit the beach next time , what will you do? *
1 point
A.take only pictures and memories.
B.leave your thrash behind
C.catch small animals.
D.dig up rocks and bring them home.

PAHELP PO​