Which example is not a reason that cells require the ability to diffuse materials across their membranes? no energy is required for this process

to maintain homeostasis or balance

water and oxygen are obtained this way

to move carrier proteins

When plants use sunlight to make food, the energy of sunlight is

Which of the following does not make up ground substance of connective tissue? hyaluronic acid elastic fibers glycosaminoglycan proteoglycan

What is one affect on the australian environment due to the introduction of non-native european rabbits? (a) more grass grew in response to the need of the growing population of rabbits. (b) the rabbits balance out the food chain as they became a natural prey to many predators. (c) the rabbits the land by digging, which caused the soil to spread much needed nutrients. (d) the rabbits out-competed other small animals species and caused them to go extinct.