Which carbohydrate can be used by the body as an immediate source of energy? glucose
cellulose
chitin
glycogen

Which of the following examples can cause gene flow between populations? a.an increase in predators to a population of zebra b.a volcanic eruption that kills half of a population of mice c.bird droppings that contain seeds from a different location d.a person that sprays a toxin on a group of mosquitoes

Body systems are not completely independent they integrate and work together describe one example of the integration between body systems

What was the land like over 500 million years ago? what was under the sea?