An energy pyramid is used to show 7*
the age of organisma at each trophie level
the amount of energy at each trophie level
the size of the animals at each trophie level
the size of the animals from largest to smallest

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.

Ascience research group is testing a new type of plant food. one trial is conducted in a controlled experiment. the data from the trial show that the plant that received the new food grew faster than the control plant. the group announces that the new plant food makes plants grow faster. what is the main weakness in this scientific claim?

_is a product of the first stage of photosynthesis.atpglucosecarbon dioxidewater