- Which type of sponge cells undergo meiosis to turn into egg cells
- Box jellies, medusa is cubiodal, have tentacles in the corners, good swimmers, have eyes, active predators : class _____
- What are the flat connected cells of the pinacoderm ?
- The most primitive nervous system of the aniamal kingdom is :
- Where are sex cells reasles out of ?
- Cylindrical body, tentacles up, asexual, sessile :
- Which cells of a sponge are stem cells that can differentiate into other types of cells ?
- What is the name of a larva of a cnidarian ?
- Specialized cnidae, called menatocysts, deliver : ____________ and may have ___________ prjectionsSome scida cells use their tube for _______ around comething, and others are for ______ to somthing
- Dome - shaped, tentacles down, sexual, free swimming, more mesoglea :
- Which of the three body types of sponges do not have a spongocoel ?
- What acts as a hydrostatic skeleton for cnidarians ?
- Which are part of a cnidocyte acts like a trigger that, when stimulated, causes the cnida to open ?
- What are the two body types that cnidarians may have ?
- How many days do sponge larvae get carried by currents ?
- Specialized gas exchange structures in terrestrial gastropods are called
- Mollusca - indirect development - a larval stage of marine species is called
- Circulatory system in Cephalopoda is
- An intermediate host in the life cycle of Fasciola hepatica is a freshwater snail
- Mollusca, class Bivalvia - the strong inner shell layer composed of nacre is also called