Both cells and body systems must work together to maintain healthy cells and bodies. What organelles transport materials around cells, and what tissues, organs, or organ systems perform this action in plants?

According to the law of conservation of energy, energy can neither be created nor destroyed. if this is true, why is there less energy in the top of the energy pyramid than there is in the bottom of the energy pyramid?

Which pattern most likely came from a gunshot and which one was produced from a blow on the head? explain your answer?

The hypothesis of continental drift states that earth's continents, which are located on tectonic plates, move relative to each other. which of the following is true of the movement of the tectonic plates? a. tectonic plates only move once every million years. b. they move at a rate of approximately 5 centimeters per year. c. tectonic plates never move, only the continents located on them do. d. their movements are very rapid and occur at random times.