Energy that is taken from an organism and is not available to other organisms in the food web is placed where ?

lost to the environment as heat ?

or

stored in a dead animal?

Which of the following occurs most often in a population when genetic variation and overproduction are present? some organisms have a lower reproductive success than others. some organisms have a higher reproductive success than others. some organisms have no reproductive success. some organisms do not have genetic variation.

Environmental differences within ecosystems are generally caused by

Control of the body is accomplished by which of the following body systems? nervous system and circulatory system endocrine and repertory system circulatory and respiratory systems nervous system and endocrine systems