The above diagram suggests that A. there are more tertiary consumers than producers in an energy pyramid. B. producers are the foundation of all energy pyramids. C. tertiary consumers are the ultimate source of energy in an ecosystem. D. energy flows from secondary consumers to primary consumers in an ecosystem.

Abnormal softening of a gland is known as

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.

Which statement correctly describes other ways in which nebulae and stars are different? a. a star always has a higher density than a nebula. b. stars can form inside a nebula but a nebula can never be produced by any star. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star. reset submit