How dose the structure of the saguaro cactus stem benefit the plant

Which situation is an example of competition that could be found in the grassland? a. two lion populations utilize the same gazelle population as their main food source b. deer eat berries and their droppings seed new areas, creating new berry bushes c. two shark populations utilize the same fish population as their main food source d. lack of sunlight due to changes in the seasons restricts the growth of certain plants

Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into

Differentiate renewable and nonrenewable resources