Why can’t glucose move across the membrane by simple diffusion but water and oxygen can? Por qué la glucosa no puede moverse a través de la membrana por simple difusión, pero el agua y el oxígeno si?

Darwin’s hypothesis about how life changes over time is now called?

Which of the following is not a technology that can be used to conserve resources? a. hydropower b. volcanic power c. natural gas d. geothermal select the best answer from the choices provided a b c d

Which statements about a food chain are true? choose all answers that are correct. a.plants are the first living organisms in food chains on land. b. the plants in a food chain are called herbivores. c. all food chains on land begin with energy from the sun. d. carnivores in a food chain eat only plants.