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BMZ New Exam 4

new material for the final exam

QuestionAnswer
Vascular Tissues provide strucutral support
Stems contain vascular tissue and produce leaves
phloem & xylem conducting tissues, tracheids also allows for more growth phloem exports sugar
seeds complex structures that have tissues that enclose the embryo
angiosperm seed tissue, endosperm
microphylls small leaves wtih one branch, vein
euphylls leaves with branched veins
pollen tiny male gametophytes
megaspore where females develop & produce eggs
corona wheel shpaed created water currents
pedal glands secreate sticky substance
Three classes in Mollusca Gastropoda, Cephalapoda, Bivalvia
Radula Tongue like organ with teeth
Phylum Annelida Sexual reproduction, segmentation
Cuticle nonliving cover that serves to support and protect, collagen
nematodes roundworms
Challenges faced by the arthropods? Reproduction, water loss, breathe air, move on land and uv radiation
What is the evolutionary significance of segmentation? more things to act upon= more diversity
Echinodermata cephilization not there, move slowly, no brain
Four characteristics of Chordata? 1. Notochord 2. Dorsal hollow nerve cord 3. phayngeal slits 4. postanal tail
Subphylum Urochordata Larvae have all four char., single cluster of HOX, covered with non living material
Subphylum Cephalochordata brain development, bilateral system, have brains as adults
Subphylum Vertebrata 2 HOX clusters, brain case, neural crest
Class Myxini
Created by: bugkar44
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