What are Zooids in cnidaria?
branches bear the individuals, or zooids (hydroid polyps). Each zooid consists of a tubular body that has two layers separated by a thin jellylike mesoglea (layer of connective tissue), a terminal mouth, and surrounding circlet(s) of tentacles. The zooids are joined basally to a common living tube called the stolon…
What type of symmetry do cnidarians have?
Radial symmetry
What is a Medusa in cnidarians?
Medusa, in zoology, one of two principal body types occurring in members of the invertebrate animal phylum Cnidaria. It is the typical form of the jellyfish. The medusa is a free-swimming form; it moves by rhythmic muscular contractions of the bell, providing a slow propulsive action against the water.
What are 3 types of cnidarians?
Cnidarians are divided into three major classes. These are the Hydrozoa (hydras and other colony-forming species), the Scyphozoa (jellyfish), and the Anthozoa (sea anemones and corals).
Do hydras fly?
Similar to the GTA San Andreas rendition, the Hydra is able to switch between vertical and horizontal flight. When in horizontal flying mode, the Hydra has the highest top speed in the game, around 160 knots while under 900 MSL, and approximately 210 knots while higher than 900 MSL.
Are Hydra dangerous?
No, their stinging cells are too weak to affect humans. If you try to touch them, they quickly retract their tentacles and ball up to avoid predation from larger animals.
How did hydra start?
The modern incarnation of Hydra originates when the Nazi spymaster known as the Red Skull took control of an Asian secret society, the Brotherhood of the Spear, merging it with a German occult organization, the Thule Society.
Who is the real leader of Hydra?
HYDRA is the Nazi deep science division. It’s led by Johann Schmidt.
Who is the real founder of Hydra?
Baron Wolfgang von Strucker