How did the chemicals in Earth's prehistoric surface become alive

True or false the blues was a style of music born of suffering

Of the following animals, which ones use carbohydrates and proteins for energetic purposes and which ones use them for structural purposes? Phytoplankton, zooplankton, mollusks, crustaceans, fish.

Which word in the sentence is the direct object? I brushed the horses at the stable all afternoon. A. I B. horses C. afternoon D. brushed

Identify features of brain structure and organization that modern neuroscience has confirmed.

Atp is s type of molecule that can provide energy for biological processes, explain how the energy is being used in model 4

Which of these is an organism? a herd of sheep a wolf a drop of water a heart

What are the basics of human anatomy?

What are the major differences between prokaryotic and eukaryotic cells?

What do scientist study to see the genetic changes that occur through generations

What makes pelicans and penguins different? a. pelicans are flightless birds. b. pelicans spend about three-quarters of their lives in the water. c. penguins have large bills with a loose and elastic pouch. d. penguins have wings shaped for swimming.