By keeping waterways open?
1 Choose non-motorized boats in areas with manatees.
You can help manatees by looking athttp:www.savethemanatee.org/whatyou.htm, which lists ways you could help. And tell other people about manatees, try not to ride boats with pointy motors, because they are becoming extinct!
By Keeping Water-Ways Open
make a club
they are valuable as a control of mosquitoes
yes
They help to control the rodent and rabbit populations.
No, but they do pass it.
well Manatees are in the neckton category because they are they have control of were there going Benthos live at the bottom and are decomposers not consumers plankton have no control at all were they are going dose that awnser your qustion hehe
An exotherm.
yes, manatees can be saved but only by us because we are the main reason they are endangered. we can help not pollute their homes, stop poachers.
Manatees graze across a large range of plants, checking growth of aggressive water plants such as algae. This species gives us a heads up on environmental changes.