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Flowers have a way of doing that. They began changing the way the world looked almost as soon as they appeared on Earth about 130 million years ago, during the Cretaceous period. That’s relatively recent in geologic time: If all Earth’s history were compressed into an hour, flowering plants would exist for only the last 90 seconds. But once they took firm root about 100 million years ago, they swiftly diversified in an explosion of varieties that established most of

Key points. Animal behavior includes all the ways animals interact with other organisms and the physical environment. Behavior can also be defined as a change in the activity of an organism in response to a stimulus, an external or internal cue or combo of cues.

What’s The Difference Between A Bunny, A Rabbit, And A Hare? … Hares and rabbits are both in the family Leporidae, but they’re separate species. Both animals have long ears, powerful back legs, and a divided upper lip. But, hares are larger than rabbits. Rabbits are small mammals in the family Leporidae of the order Lagomorpha (along with the hare and the pika). Oryctolagus cuniculus includes the European rabbit species and its descendants, the world’s 305 breeds of domestic rabbit.

Step 1 : Start with a square piece of origami paper. If you only have regular 8.5×11 paper, Step 2 : follow these instructions to make a square sheet. Step 3 : Fold the paper in half by folding the upper left corner to the lower right corner. Step 4 : Fold in half again by folding the upper right corner to the lower left.