Energy must be transformed in ecosystems because a. energy cannot be created or destroyed b. an organism’s energy must go somewhere c. an organism’s energy must come from somewhere d. all of the above

She planned to observe the flowers for the next five days for an hour at the same time each afternoon. then she wou the data in a multiple line graph to compare the number of bees that visited each flower. which statement best descr data in this investigation?

There are six elements that make up most of the human body. which of the following is not one of these six elements?

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?