A.Several mouthlets and one opening
B.Nerve cells
C.Absence of blood
D.None of these
Related Mcqs:
- Hydra possesses:
- People living in high altitudes (like mountains) usually have a _________??
- Which of the following groups of characters are confined exclusively to Chordates:
- Nervous system of Hydra is made up of:
- Which of the following equations is correct??
- The heart rate in man is increased by:
- Yellow phosphorus is converted to red phosphorus in covered retorts at a temperature of
- Slowing of heart rate in man is done by:
- Blood pressure is the force which:
- Regulation of body temperature in a homiotherms during high environmental temperature would involve: