An ocean food chain is shown. which organism is a tertiary consumer?

a. clownfish

b. brittle star

c. killer whale

d. octopus

Why do carbohydrate molecules function so well as fuel for the body?

During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water

The galapagos island contain 13 species of finches four of the species are seen here it is believed that all of the species had one common ancestor and overtime