Terminology Flashcards
Cephalization
Concentration of sense organs at the anterior of the body
Direct development
Young resemble adults
Indirect development
Young do not resemble adults
Monecious
Organism can produce both sex cells
Dioecious
Organism can only produce one type of sex cell
Broadcast spawning
Class anthozoa; all release gametes around full moon
Holozoic
Feed on particles
Saprozoic
Absorb dissolved nutrients
Pintocytosis
Cell drinking, anywhere on body
Phagocytosis
Cell eating; has “mouth” (cytosome)
Endoplasm
Granular, organelles, “flowy”
Blastrula
One tissue layer
Ectoplasm
Transparent, gel-like, “rigid”
Gastrula
Two tissue layers
What is a deuterostome?
Triploblasts, anus develops first. Includes echinodermata and chordata