Coral Reefs Web Quest

pointdepressedMécanique

22 févr. 2014 (il y a 3 années et 4 mois)

78 vue(s)

Name:


Coral Reefs Web Quest


1.


Watch first 1 minute 25 seconds of the video.
Write down three things that you learned.

1.




2.




3.



2.


What is coral made of?








3.


A symbiotic relationship is a relationship in which both members benefit. How does the
coral benefit? How does the zooxanthellae benefit?








*Still having a hard time understanding the relationship between the
zooxanthellae

and the
coral? Come back to it later, after you've explored "coral bleaching"


4.


Using your knowledge of coral’s symbiotic relationship with zooxanthellae, why do you think
that corals grow in shallow water?







5.

Although the coral reef is home to an en
tire ecosystem of marine species, human activities
are destroying coral reefs. What are some of these activities? Read to find out!







Look at sedimentation, sewage, and fishing sections


6.


What is causing sedimentation?






7.

How do humans contribute

to sedimentation in the reef?







8.


Explain how sewage negatively affects a coral reef.








9.

How does overfishing, or taking too many fish out of the habitat, affect the coral reef?






10.

How do you think that overfishing will affect other fish that live in that ecosystem?





11.

Why do you think that there are laws about minimum catch sizes? Hint: why does it upset
the ecosystem to catch fish that are smaller than a certain length?






12
. After watching the video, what other human consequences of human activities did you
learn affect the reef?

1.



2.


13.

How does pollution hurt the reef?






14.


What does the reef do for us?







15.

Why would it be bad for us if the coral reefs became compl
etely destroyed?







16.

Not only would the reef’s deterioration affect us humans, but it will affect the organisms that
live in that ecosystem. Explain how it would affect these organisms using
“if…then….because” statements.







17.

Given the human activities that hurt the reef, what could be done to help? What kinds of
things could people do and what kinds of things should people do less of?







18.


What is coral bleaching and what causes it to occur?




19.


How are human activities c
ausing coral to bleach?




20.


So we know that the reefs are in danger, but what can we do to help?

List 4 ways


1.


2.


3.


4.


21.


What are other things that you can think of that are not listed here?