Lecture 5 Flashcards
trochophore
free swimming larvae usually pear or sphere shaped, have a ring of cillia
lophophore
ring or horseshoe shaped structure surrounding the mouth, has cilliated tentacles for feeding
ecdysis
shedding old skin, allows animal to grow larger
zygote
the diploid cell resulting from the fusion of two haploid gametes
cleavage
the process of cell division that occurs after fertilization, zygote develops into embryo
morula
the ball of cells formed in early embryonic development, 16-32 cells
blastula
hollow ball of cells during embryonic development
gastrula
hollow cup shaped structure resulting in 3 germ layers
embryology
the study of how an embryo develops into a fetus
cilia
hair like structures from the surfaces of cells, can be used for locomotion or feeding
flagella
a slender threadlike appendage structure on microscopic organisms that enables many microscopic organisms to swim
psuedopodia
temporary extensions of a cell that look like false feet. Allows for movement, feeding, and sensing environment
Characteristics of Protista
hydrostatic of CaCO3 shells, cillia flagella or psuedopodia for movement and feeding, single multiple or colonial cellular levels of organization
Types of waste in protista and their methods of removal
feces, nitrogenous waste, CO2 and osmoregulation, all through diffusion or contractile vacuoles (osmo)
5 phyla of protista
ciliates (paramecium), plants, diplomonads (giardia), dinoflagellates (red tide), amoebozoa
Fungi
mushrooms and others (yeast and mold), heterotrophic through absorption, single and multicellular
Choanoflagellates
single or collonial, freeswimming or sessile, consume bacteria and viruses, in fresh brackish and salt waters, from the arctic to tropical
Animal definition (formal)
ONE/A/AN homologous lineage of multicellular, heterotrophic organisms within opistokonta
Animal definition (informal)
a living thing you can usually see, that can move, eat, and react to the world
