This jellyfish at the Georgia Aquarium has radial symmetry. Radial symmetry is best described as pie shaped or having no true left and right side. If you see the top of a jellyfish, you can cut it into identical pieces in a circular shape.
This antelope skin at Scott's Antique market has bi-lateral symmetry. You can see that it clearly has a left and right side. You can split this animal in half (hotdog way) and it'll be mostly identical on each side.
This bear at Scott's Antique Market is showing territorial behavior. It is clearly lunging at me because I am getting too close to him. Animals who exhibit territorial behavior benefit from doing so because they claim control of an area and all of its resources.
These two bald eagles in Jackson Hole, Wyoming are showing mating behavior. Bald eagles mate for life, so right now these two bald eagles are just chilling. They stick together because they plan to mate again in the future.
This plant in Hawaii is showing tropism. Tropism is a directional movement in response to a stimulus. The stimulus in this example is gravity. These flowers are heavy so they now grow upside down.
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