From single-celled ancestors, they evolved into a riot of complexity and diversity. An estimated seven million species of animals live on earth today, ranging from tubeworms at the bottom of the ocean to elephants lumbering across the African savanna.
Answer: Boa constrictor is a carnivore (meat-eater).
Explanation: While they are young, boa constrictors eat smaller prey, like rats, mice and squirrels.
The percent of the Earth's ocean is 70%.
I believe it is amino acids?
