Questions & Answers (Grade A+)
Planeria symmerty -
correct answer ✅Bilateral
Planeria tissue layers -
correct answer ✅Triploblastic
Ectoderm -
correct answer ✅outermost germ layer; produces sense organs,
nerves, and outer layer of skin
mesoderm -
correct answer ✅middle layer- muscle cells and connective tissue
endoderm -
correct answer ✅internal organs and digestive system
flame cells (flatworms) -
correct answer ✅osmoregulation and excretory system
Auricles -
correct answer ✅chemosensory cells
,Bio 1404 Practical TTU Exam
Questions & Answers (Grade A+)
eyespots of planaria -
correct answer ✅sense light and dark
planarian are found -
correct answer ✅bottom of ponds-scavengers
planeria mouth is -
correct answer ✅at end of pharynx
digestive openings in planeria -
correct answer ✅1
pharynx -
correct answer ✅suck in food into the GVC
gastrovascular cavity -
correct answer ✅digestive system consisting of a single opening-3
branches- 1 to head and 2 to tail
, Bio 1404 Practical TTU Exam
Questions & Answers (Grade A+)
diverticulum -
correct answer ✅increase surface area for nutrient absorption
nerve ladder -
correct answer ✅integrate stimuli from the sense organs-sends
info to body
how do planeria move -
correct answer ✅cillia on ventral surface
planeria repro -
correct answer ✅binary fission
planeria phylum -
correct answer ✅platyhelminthes
earthworm phylum -
correct answer ✅annelida-are segmented worms
earthworm body cavity -
correct answer ✅coelom