Which statement best describes the main goal of a dichotomous key? to expand classifications and group organisms into larger categories to eliminate traits and group organisms into smaller categories to observe characteristics and discover new species to compare classifications and design new kingdoms

The diagram shows a fossil of an ancient whale skull and a skull of a present-day whale. the ancient whale is extinct and is believed to be an ancestor of the present-day whale. what do these skulls most likely show that supports darwin’s theory of evolution? all populations can adapt and survive. only some organisms have a common ancestor. populations change slowly over time. populations rapidly become extinct.

Indica el nombre y la fucion de los vasos sanguineos que entran y salen de los riñones

Which of the following is an advantage of solar energy?