How many embryonic and adult tissue layers are found in jellyfish, hydras, and sea anemones?
A1
B2
C3
D4
Aspecialized vascular tissue.
Babsorption alone.
Cabsorption and transpiration.
Dosmosis and diffusion.
A1
B2
C3
D4
Aspecialized vascular tissue.
Babsorption alone.
Cabsorption and transpiration.
Dosmosis and diffusion.