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Help!

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Posted by: MarkVIII93

I need help with my homework! Lets see if any of you can help!

1. Name 2 phyla that have gill slits.

2. What purpose do gill slits serve?

Those are the only two that I cannot seem to find in my notes!

Posted by: pepperman

partial answer to part 1. Fish

2. They help fish to breath.

Posted by: Nakoa

the gill slits are for the fishes breathing. i think they exhale the water through them.

Posted by: SurfjaxLS

Part 1.
Chordata
Hemichordata
(check the second one online, this is from memory)
Part 2.
They maximize surface of gas exchange to allow the most intake of oxygen, and the most release of carbon dioxide and other waste products.

Posted by: ekenkade

how the hell did you remember that?

Posted by: SurfjaxLS

I took bio last year. I'm only 18.

Posted by: ekenkade

that could be why, i'm 51 i dont remember anything but what i learned in trucker school and the basics of everything else
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