Humans have caused quokka populations to decrease due to animal cruelty. Humans have also introduced predators to quokkas, such as dogs and cats.
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Answer:
elliptical (nearly circular)
Explanation:
According to Kepler's laws of planetary motion, the planets do not revolve around the Sun in exact circular orbits. The path of the planet or any other body in the solar system is elliptical, with the Sun at one of the foci. Though, the eccentricity is not large, so one can say, the path of the planets and the asteroids around the Sun is nearly circular.
invertebrates and Vertebrates
