The equator is an imaginary line that divides the Earth into the Northern Hemisphere and the Southern Hemisphere. It is located at 0 degrees latitude and is the longest line of latitude on the Earth's surface.
Characteristics of the Equator:
Location: The equator is located at 0 degrees latitude, halfway between the North Pole and the South Pole.
Length: The equator is approximately 40,075 kilometers (24,901 miles) long.
Day and Night: Near the equator, the length of day and night remains relatively constant throughout the year, with approximately 12 hours of daylight and 12 hours of darkness.
The student demonstrates an understanding of how science explains changes in life forms over time, including genetics, heredity, the process of natural selection and biological evolution by showing the relationship between physical characteristics of Alaskan organisms and the environment in which they live.