Fertilization Flashcards
Entrance of multiple sperm in a egg
Polysemy
Where the sperm head is drawn into the egg viteline envelope
Fertilization Cone
Electrical potential change in the egg membrane
Fast block
The hardened viteline envelope
Fertilization Membrane
Schizocoely
Forms up
Enterocoely
Pinch off on the sides
Anatomical Complexity consist of
An increase of body size
More effective predation
Reduced energy cost of locomotion
Improved homeostasis
Was able to classify animals in a way that we still use today
Carolus Linaeus
Process by which water is removed by the rhythmic filling and emptying of
Osmosis
Osmosis empties water into the
Contractile vacuoles
Porifera has
A cellular level of organization
Insipient Tissues with a low level of integration
A unique water current system of
Ostia
What is Ostia
A body with incurrent openings
Jeyllyfishes are characterized by
Cell tissue organization
The number of multicellular animals zoologist recognized today
34
In a sponge cells of the blastula
Organize into the tissues of the adult
Maintain species specific reproduction in marine environments where many species release eggs and sperm at the same time and location
Spermicidal factors
5 grades of organization
Protoplasmic Cellular Cell Tissue Organ Organ System
Types of Epithelial Tissue
Simple
Muscular
Connectiv
Female eggs use this to attract sperm
Chemotactic Molecules
Biological Species concept
All species is a reproductive community
