What was Gan De's contribution to astronomy? A.
He developed the world's first star catalogue.
OB.
He was the first to record a lunar eclipse.
OC.
He was the first to observe planets.
OD.
He invented the telescope.

The negative impacts of nonnative species generally outweigh the positive impacts

Select all that apply. why are common names not a good reference to a species? common names can be in different languages common names vary with location common names vary with culture common names vary with species color

Jason, a dog breeder, decides to mate a poodle with a golden labrador retriever. he wants to get puppies with the curly hair of the poodle and the color of the labrador. what concept is shown in this example? question 6 options: artificial selection adaptation evolution natural selection