Michael's behavior verges on the ridiculous. This means that he behaves in a manner that is

Synonym for lethal

Synonym for assertion

Synonym for blithe

Synonym for monitored

Synonym for verge

Synonym for vigilant

Synonym for assertive

Antonym for blithe

Antonym for averted

Antonym for dwindled

Antonym for nimble

Antonym for docile

Antonym for bleak

Antonym for asserted

Antonym for bleak

A manatee can weigh up to 3,000 pounds. It has been described as a 'ponderous mammal'. Ponderous most likely means

Manatees enjoy eating water hyacinth and other 'aquatic plants'. Aquatic most likely means

Manatees are friendly and docile by nature. Docile probably means

Florida authorities must monitor the manatee population because they were once hunted for their skin and meat. Monitor means

The manatee population has dwindled over the years because of the increase of powerboats in Florida. Dwindled means

Due to the decreasing population, Manatees are on the verge of extinction. Verge means

Many speeding boaters are unaware that manatees are in the water and blithely continue on their way after hurting one of them. Blithely means

It can be lethal if a manatee is hit with a high speed propeller from a motor boat. Lethal means

Ninety percent of all adult manatees have been mutilated by the propellers of speeding boats. Mutilated means

Wildlife wardens think that manatees are not nimble enough to get out of the way of speeding boats. Nimble means

Thanks to the Endangered Species Act and the Marine Mammal Protection Act, more people are aware of the plight of the manatee. Plight means

People who operate power boats where manatees live need to be more vigilant.Vigilant means

Collisions with manatees can be averted if boaters paid more attention. Avert means

Some boaters assert that it would cause economic hardship if too many restrictions are put on their speed limits. Assert means

If changes are not made in the boating industry, the future of the manatee seems bleak. Bleak means