Name the Artist: Thanks For My Child?

Questions

The most carnivorous of all bears is the ______ bear?

It would require an average of ____ hummingbirds to weigh in at 1 ounce?

The digestive juices of crocodiles contain so much __________ that they have dissolved iron spearheads and 6-inch steel hooks that the crocodiles have swallowed?

Seals can withstand water pressure of up to _________ pounds per square inch?

Jackrabbits are powerful jumpers. A 20-inch adult can leap ___ feet in a single bound?