BIO 182 Lab Quiz 7 Questions and Answers with
Solutions UPDATED!!!
traits of kingdom animalia - ANSWER eukaryotic, heterotrophic,
responsive to stimuli, multicellular, no cell walls, tissue, diploid
life cycle
what do sponges lack that all other animals possess - ANSWER
tissues
what are the 2 germ layers in diploblastic animal embryo -
ANSWER endoderm tissue and ectoderm tissue
what are the 2 stages in a classic cnidarian life cycle - ANSWER
polyp and medusa
how do cnidarians capture prey - ANSWER by stinging cells
nematocysts - ANSWER stinging cells
where does water exit the sponge - ANSWER the osculum
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what is a gastrovascular cavity used for - ANSWER allow
extracellular digestion. It is a sac with one opening
3 types of spongin fiber - ANSWER protein fibers, glass and
calcium spicules
where does water enter a sponge - ANSWER through porocytes
In the class scyphozoa what is the dominant life stage - ANSWER
medusa
in the class scyphozoa what life stage produces egg and sperm -
ANSWER medusa
what life stage does the class anthozoa have - ANSWER polyp
only
what type of symmetry do flatworms have - ANSWER bilateral
symmetry