The diagram shows the levels of organization in ecology. Which statement is supported by the image?
A The bison shows the highest level of the ecological hierarchy.
B The community is composed of a population of bison.
C The ecosystem is composed of the community and nonliving items.
D The biosphere represents a single location on Earth at a given time.

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.

Which of the following cognitive skills have not been displayed by animals? a. using tools b. forming concepts c. transmitting culture d. using syntax

What does this experimental investigation lack