Clade bivalvia - Study guides, Class notes & Summaries

Phylum Porifera Characteristics Answer- - sponges - considered the basal animal - sessile animals - lack true tissues -filter feeders -hermaphrodites phylum Cnidaria characteristics Answer- - have true tissues -gastrovascular cavity -ring of tentacles with cnidocytes to capture prey - polys and medusa phylum Platyhelminthes Answer- flatworms -dorsoventrally flattened bodies - Flat shape increases surface area for nutrient, gas, and waste exchange - Found in marine, freshwater, ...

Distinguish Characteristics - Phylum Porifera Characteristics - - sponges - considered the basal animal - sessile animals - lack true tissues -filter feeders -hermaphrodites phylum Cnidaria characteristics - - have true tissues -gastrovascular cavity -ring of tentacles with cnidocytes to capture prey - polys and medusa phylum Platyhelminthes - flatworms -dorsoventrally flattened bodies - Flat shape increases surface area for nutrient, gas, and waste exchange - Found in mar...

Hox genes - control the expression of genes that influence animal morphology (sponges are simple animals that do not have Hox genes) acoelmates - triploblastic animals without a coelom, their bodies are solid and have no cavity. Ancestors of animals... - diverged from ancient fungi, between 675 million and 800 million years ago, believed to be a suspension feeder similar to Choanoflagellates Animals are.. - -multicellular (without cell walls) -heterotropic -develop from embryonic layers ...

BIO 151 Lab Exam #1 Questions And Actual Answers abdomen - houses digestive, excretory, and reproductive viscera Annelida - Segmented worms, earthworms; anus and mouth; closed circulatory system; nervous system; setae-bristle appendages Anterior - front Anura - frogs and toads archinephric duct - tubes that carry waste and connect the bladder to the cloaca. Male: urine and sperm Female: only urine Arthopoda - Insects: bilaterally symmetric; exoskeleton; segm...

BIO 182 LAB FINAL Exam Questions With Correct Answers Phylum Porifera Characteristics - answer- sponges - considered the basal animal - sessile animals - lack true tissues -filter feeders -hermaphrodites phylum Cnidaria characteristics - answer- have true tissues -gastrovascular cavity -ring of tentacles with cnidocytes to capture prey - polys and medusa phylum Platyhelminthes - answerflatworms -dorsoventrally flattened bodies - Flat shape increases surface area for nutrient, gas, ...

BIOL 211 Concepts of Zoology Full Phylum Tree covering topics of kingdom protista, subkingdom eumetazoa, bivalvia, phylum chordata, subphylum craniata, etc.