Which adaptation is most likely to help a plant obtain water in a dry environment? A. A waxy stem coating

B. Many sharp spines

C. A brightly colored flower

D. Many shallow roots

Please help me answer!!

Which plains area lies in both the united states and canada? altiplano central canadian shield coastal plains great plains

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.

Below, the levels of organization in a multicellular organism are shown from least to most complex. which level of organization can be described as several different types of tissues working together to perform a common task?