How long have alligators been on the earth?

How long have alligators been on the earth?

Crocodiles are the ultimate survivors. Having arisen some 200 million years ago, they have outlived the dinosaurs by some 65 million years. Even humans, the most fearsome predators ever to stalk the Earth, have failed to force into extinction any of the 23 species of crocodilians.

What does it mean to have an opposable thumb?

They are called opposable because the thumb can be moved around to touch the other fingers, which gives people the ability to grasp things. Most primates (humans, apes, and Old World monkeys) and some other animals have opposable thumbs.

How long does a caterpillar stay in a cocoon?

The process from egg to butterfly is weather dependent and also depends on the regional climate. It can take about four weeks in the peak of the summer in warmer climates. The egg takes 5 to 10 days, the larva/caterpillar and pupa/chrysalis each take about 10 to 14 days.

How many moons does Mars have?

Mars has two moons, Phobos and Deimos, which are thought to be captured asteroids. Both satellites were discovered in 1877 by Asaph Hall and are named after the characters Phobos (panic/fear) and Deimos (terror/dread) who, in Greek mythology, accompanied their father Ares, god of war, into battle.

Who was the first actor ever?

Thespis (/ˈθɛspɪs/; Greek: Θέσπις; fl. 6th century BC) of Icaria (present-day Dionysos, Greece), according to certain Ancient Greek sources and especially Aristotle, was the first person ever to appear on stage as an actor playing a character in a play (instead of speaking as him or herself).

What movie is Princess Aurora from?

Princess Aurora (alias Briar Rose) is a fictional character and the title character of Disney’s 1959 animated film Sleeping Beauty, who is based from “The Beauty sleeping in the Wood” by Charles Perrault, published in 1697.

What kind of shape is a star?

A regular star polygon (not to be confused with star-shaped polygon) is a regular non-convex polygon. Only the regular ones have been studied in any depth; star polygons in general appear not to have been formally defined.

What type of creature is a worm?

Invertebrate animals commonly called “worms” include annelids (earthworms), nematodes (roundworms), platyhelminthes (flatworms), marine polychaete worms (bristle worms), marine nemertean worms (“bootlace worms”), marine Chaetognatha (arrow worms), priapulid worms, and insect larvae such as caterpillars, grubs, and …