10/31/24, 3:49 PM WSU BIOLOGY 106 EXAM AND FINAL COMPLETE COURSE 2024-2025 ACTUAL 220 EXAM QUESTIONS AND CORRECT DE…
WSU BIOLOGY 106 EXAM AND FINAL COMPLETE C... Study
WSU BIOLOGY 106 EXAM AND FINAL COMPLETE
COURSE 2024-2025 ACTUAL 220 EXAM
QUESTIONS AND CORRECT DETAILED ANSWERS
Terms in this set (223)
Phyla with greatest amount of diversity with 85% of
Arthropods
animal spp
700 million years ago When the first animals originated
Phyla with no tissues, muscles, nerves, or specialized
Porifera (sponges)
organs
Choanocytes Flow of water and food acquisition in sponges
Found in sponges, these cells are mobile and perform
numerous functions, including reproduction, transport
Amoebocytes
of food particles to nonfeeding cells, and secretion of
material that forms the spicules
Found in sponges, these consist of inorganic materials
Spicules
and support the animal
Phyla with 2 tissue layers, contractile muscle and
Cnidaria ( jellyfish)
nerve cells, gastrovascular cavity, and radial symmetry
Metazoa multicellular animals
Diversity of large animals increased dramatically
Cambrian Explosion
around 550 million years ago
Three tissue layers ectoderm, mesoderm, endoderm
Posterior/anterior
Bilateral symmetry left/right senses concentrated in head and direction
of movement
, 10/31/24, 3:49 PM WSU BIOLOGY 106 EXAM AND FINAL COMPLETE COURSE 2024-2025 ACTUAL 220 EXAM QUESTIONS AND CORRECT DE…
Coelom Body cavity with space to put organs
WSU BIOLOGY 106 EXAM AND FINAL COMPLETE C...
A phyla group that has feeding and locomotory
Lophotrochozoa
similarities
Colonial, filter feeders
Ectoprocta All cells are identical
Cannot move
eutely and small phylum (< 3mm)
Rotifera Filter feeders
Have set number of cells
To hide life
Cryptobiosis What occurs when environment changes around
rotifera
How rotifera develop Individual cells enlarge rather than divide
Segmented worms
Annelida
Hydrostatic skeleton
skeleton made of fluid-filled body segments that work
Hydrostatic skeleton
with muscles to allow the animal to move
Metanephridia Tubes that process metabolic waste in annelidas
Visceral mass, mantle, and foot
Mollusca
Contain radula
An organ covered with teeth that mollusks use to
Radula
scrape food into their mouths
Nudibranchs Sea slugs
mollusks that have two shells held together by hinges
Bivalves
and strong muscles (clams)
Cephalopods octopus, squid
Phylum of flatworms
Platyhelminthes
80% are parasitic
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