Oceans 11 – Dalesandro
Quiz #2 – Review
Part A – Fact Questions
1) Define the littoral zone.
2) List and explain the four main reasons the littoral zone is considered an extreme
environment.
3) What is the backshore? Explain.
4) a) Describe the characteristics of the following littoral zone sections:
-Supratidal zone (splash zone).
-Upper Littoral Zone (high tide zone).
-Middle Littoral Zone (mid tide zone).
b) List one organism that lives in each section of the littoral zone.
5) Why can rooted plants not survive in the intertidal zone?
6) Define biodiversity. Why is it low in the littoral zone?
7) List two interesting facts about the:
a) barnacle.
b) whelk.
c) sandhopper.
f) green anemone.
d) wrybill.
e) sea star.
8) What is a radula? Which creature that we have studied has one?
9) Explain how tube feet work.
10) What are cirri? Which creature that we have studied has them?
11) What is a beach? Explain.
12) a) Why are algae so important to littoral zone food chains?
b) Name one other type of plant that may form the base of a littoral food chain.
13) Explain collecting and trampling. Why are these human behaviors extremely
harmful to the intertidal zone?
Part B – Understanding Questions
1) Why is the intertidal zone extremely vulnerable to damage?
2) How have creatures who live in the intertidal zone adapted to the harsh conditions?
Give two examples.
3) Why does biodiversity increase the further down we go in this zone?
4) “The intertidal zone is one of the toughest ecosystems for animals and plants to
live in.” -TRUE or FALSE in your opinion? Back up your answer.
Part C – Creature Identification
1) Identify the following Littoral Zone organisms:
1
2
3
4
5