The tube feet of a sea star
(a) bear tiny toes.
(b) are located only at the tips of the arms.
(c) function in movement.
(d) protect the organism from predatory fish.
(c) function in movement.
You might also like to view...
Blood velocity is slowest in the
a. arteries. b. arterioles. c. capillaries. d. venules. e. veins
Land plants, or embryophytes, evolved from
__________, a kind of green algae. Fill in the blank(s) with the appropriate word(s).
In plant roots, the Casparian strip is correctly described by which of the following?
a) It ensures that all minerals are absorbed from the soil in equal amounts. b) It provides energy for the active transport of minerals into the stele from the cortex. c) It provides increased surface area for the absorption of mineral nutrients. d) It ensures that all water and dissolved substances must pass through a cell membrane before entering the stele. e) It is located in the walls between endodermal cells and cortex cells.
Match the Following equivalent measures
1 gram = 1 kg = 1mm = 1L = 1 meter =