Organisms that spend their entire adult lives attached to one spot are said to be
a. sessile.
b. heterotrophic.
c. flagellated.
d. symmetric.

in an echinoderm, the structure that operates like a living suction cup is the
a. madreporite.
b. tube foot.
c. stomach.
d. water vascular system.

Many people try to eliminate fat from their diets. which is one reason it is necessary for humans to eat fat? a. eating fat is the fastest way to get energy. b. fat eliminates triglycerides from the body. c. saturated fats clear out the blood vessels. d. fat nerves transmit signals. , this is for apex in summer school.

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

Why is the statement not a hypothesis? sunflowers require soil and plenty of sunlight and water to grow and thrive.