Water Quality B/C

[SarahYe]

Ok I come up with questions too, there not that great though :/
1. What is the main cause of coral bleaching?
2. What gender are Humphead Wrasses born as?
3. What is a keystone species?

[twoplustwoisten]

Ok I come up with questions too, there not that great though :/
1. What is the main cause of coral bleaching?
2. What gender are Humphead Wrasses born as?
3. What is a keystone species?

while this isn't exactly the right way to do Question Marathons, these aren't bad questions. for more information on how to participate in question marathons: viewtopic.php?f=297&t=18854

1 ocean acidification
2 female, they are protogynous hermaphrodites, which means that some will become male
3 a species that all the other species in the area depend on for survival, and that if is removed the ecosystem will change dramatically

[aakoala]

No new questions, so I guess I'll start this again!

1. An animal high on the food chain has a large concentration of mercury in its body, compared to organisms lower on the food chain. What is this called?
2. Nitrification is the process of turning a) _____ into b) _____.
3. These 3 chemicals are added to water during potable water treatment.
4. The scientific name for the Barramundi Cod is a) ______ ______. Barramundi cod are b) ______, which means they can adapt to a wide range of salinity.
5. True or false: Gorgonias are hermatypic corals. If false, explain why not.

[donjuanpond]

No new questions, so I guess I'll start this again!

1. An animal high on the food chain has a large concentration of mercury in its body, compared to organisms lower on the food chain. What is this called?
2. Nitrification is the process of turning a) _____ into b) _____.
3. These 3 chemicals are added to water during potable water treatment.
4. The scientific name for the Barramundi Cod is a) ______ ______. Barramundi cod are b) ______, which means they can adapt to a wide range of salinity.
5. True or false: Gorgonias are hermatypic corals. If false, explain why not.

Click to Show Answer

1. Biomagnification
2. Ammonium, Nitrates
3. Alum, Chloride, that one anti-corrosion chemical that they put in there whose name I forgot
4. Cromileptes altielis, Euryhaline
5. False, to be hermatypic corals need to be reef-building but Gorgonia are not reef building - they are soft corals