Active transport moves small molecules against the a concentration gradient which is the opposite of diffusion or that's what i found in Quizlet
food chain:The simplest representation of energy in a community. At the base is energy stored in plants, which are eaten by small organisms, which in turn are eaten by progressively larger organisms; the food chain is an oversimplification in that most animals do not eat only one type of organism.
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food web:the interconnected feeding relationships in an ecosystem. These relationships can be complex; some organisms may feed on more than one trophic level, or changes may occur depending on a species' life history stages or the availability of food.
Answer:The Central Nervous System sends signals to the rest of the body and activates external and internal stimuli.
Explanation:The CNS is made up of the brain and spinal chord which send signals to the body. In addition, it controls simple musculoskeletal reflexes.
<span>You have just discovered a new organism that you think is an animal. The characteristic which disqualifies the organism as being an animal is A. possessing cells that have cell walls.
Animals do not have cell walls.
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There are eight. <span>New Moon, New Crescent, First Quarter, New Gibbous, Full Moon, Old Gibbous, Last Quarter, and Old Crescent. :)</span>
