Any plant that have ceased elongation. Ex. Hemp and flax
your answer is B. because An animal must do three things to control body temperature. First, the animal must find a source of heat. Second, it must find a way to conserve heat when temperatures in the environment are too cold. Third, it must find a way to get rid of extra heat when temperatures in the environment are too hot.
The right choice of them is biosphere, community, and organism.
It is important because you need to increase your heart rate by being more active because it will help you build your strength
DNA helicase breaks it down into separate strands