Porifera
plankton, mammals, fish, crustaceans, sessile animals, microorganisms and other things
a hydra as a polyp is not sessile but when it grows to be a hydra it is sessile
As juveniles. As adults, hydra become sessile and fasten to rocks. "Nekton" are creatures that swim, like fish.
It starts as a sessile polyp like creature and then buds to form motile medusoid adults.
Most crustaceans start their life as an egg. They then become larvae and go through several stages before they become adults.
they are sessile
Sessile means attached. So a sessile organism is attached to a substrate.
All Cnidarians are mobile at some point in their lifetime. For most, it is in the larval stage. Jellyfish start out as mobile larva, then become sessile, then become the mobile jellyfish you are familiar with. Others, like corals, start out as mobile larva, settle down and remain sessile for the rest of their adult life. As adults, hydra can be mobile or sessile, as they choose, but they don't swim far.
Tapinoma sessile was created in 1917.
The trumpeter eats many small fish and crustaceans, although adults prefer jellyfish and molluscs.
hibiscus is pedicle flower