Which biomolecule has about twice as much energy as a carbohydrate?

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

How are the testes and ovaries similar? a. both produce sex cells. b. both connect internal reproductive organs to the exterior. c. both transport sex cells from their site of production. d. both store mature sex cells.

Quick asap will give brainiest ! what best describes the same pattern of tides on earth throughout the day? neap tides spring tides semidiurnal tides nocturnal tides