La corteza terrestre junto con el planeta tierra se formaron hace:

Which best describes a gene? a. a sister chromatid b. a chromosome c. a tetrad d. a piece of a chromosome

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

Math focus 4. calculate a map has index contours at 250 m, 500 m, and 750 m. what is the contour interval?