Zool 2101 TF Flashcards
(20 cards)
Reproduction in protists is both asexual and sexual
T
Ciliphora are usually solitary and motile
T
Paramecium is a ciliate common in seawaters that contain some decaying vegetation
F
In binary fission , the micronucleus divides by amiotis into two microcucleus
F
In micronucleus becomes skeinlike and later breaks up
T
Sponges lack true tissues or organ systems
T
Sponges prefer places where water contains plenty of oxygen
T
Scypha reproduces only asexually
F
Regenerative power of sponges is very low
F
The cell of sponges are loose aggregations
T
The lowest animals with definite tissues are the Cnidaria
T
Anemones and corals are often brightly coloured
T
Hydra have eight kinds of nematocysts
F
Aurelia aurita is a common jelly fish of coastal water
T
Most of the coral are colonial , but a few are solitary
T
Pleurobrochia is a common ctenphore along North American Coasts.
T
Ctenphores rest longitually in the water and can swin only feebly
F
The phyla Cnidara and Ctenphora are not closely related
F
Cnidarians are polymorphic having various polyp and meclusa stages
T
Ctenophores have a unique form of development of the embryo not seen in Cnidarians
T
