They convert energy from the Sun into usable chemical energy by the process of photosynthesis. They are

A) producers

B) primary consumers

C) decomposers

Muscles are relaxed when ... ? myosin is not bound to actin myosin is bound to actin cross bridges have formed myosin has bent toward the center of the sarcomere

Which one of the following statements concerning the parasympathetic nervous system is correct? A. The parasympathetic system uses norepinephrine as a neurotransmitter. B. The parasympathetic system often discharges as a single, functional system. C.

Chlorophyll absorbs every color of sunlight except for what?

Direct evidence of what the inside of earth looks like

Which subfield of anthropology traces the history of human evolution in fossils?

In which animals are the blood and the interstitial fluid considered to be the same body fluid?

Which of the following is capable of converting solar energy into chemical energy? a Chloroplasts b Vacuoles c Golgi Apparatus d Mitochondria e Vesicles

Which of these organs removes old or damaged blood cells from the blood that flows through it a. pancreas b. lymph node c. thymus d. spleen

During what stage do you learn abstract thinking skills

Reaction to a change in the environment it needs to be 8 letters