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And in conclusion…
BIO 3324 Invertebrate Zoology
Université d’Ottawa / University of Ottawa
1
06:29
Things that animals do
1.
2.
3.
4.
Movement
Obtain food and digest it
Obtain oxygen
Maintain water and salt balance and
remove metabolic wastes
5. Reproduce and perpetuate the species
6. Sense and react to their environment
BIO 3324 Invertebrate Zoology
Université d’Ottawa / University of Ottawa
2
06:29
Locomotion
● Skeleton types
– Exoskeleton, endoskeleton,
hydrostatic, pellicle, water vascular
system, notochord, stomocord
● Muscle organization
– Bands, epithiliomusculature,
sheets/circular-longitudinal,
dorsoventral, myonemes, pseudopods
BIO 3324 Invertebrate Zoology
Université d’Ottawa / University of Ottawa
3
06:29
Obtain food and digest it
● Types of microphagy
– Diffusion, filter, mucous nets and
strings, substrate, deposit, suspension
● Types of macrophagy
– Heterotroph, carnivore, herbivore,
omnivore
BIO 3324 Invertebrate Zoology
Université d’Ottawa / University of Ottawa
4
06:29
Obtain food and digest it
● Unicellular organisms
– Phagocytosis, pinocytosis
● Multicellular
– Intracellular, Extracellular, extracorporeal, symbionts,
dissolved organic matter
● Guts
– Incomplete, complete, J-shaped, U-shaped
BIO 3324 Invertebrate Zoology
Université d’Ottawa / University of Ottawa
5
06:29
Obtain oxygen
● Structures
– Diffusion, gills (ctenidia), water vascular system,
tracheal, dermal branchia, book lungs/gills,
lophophore, pneustome, respiratory trees, body
wall, pharyngeal gills, parapodia, lophophore
● Move it by
– Open/closed circulatory systems, cilia moving
fluids, diffusion, haemocoel, coelom, bllod cells,
respiratory pigments
BIO 3324 Invertebrate Zoology
Université d’Ottawa / University of Ottawa
6
06:29
Osmoregulate and excrete
● Structures
– Diffusion, metanephridia,
protonephridia (flame cells) Water
expulsion vesicles, Malpighian tubules,
coxal glands, Antennal glands maxillary
glands, saccate metanephridia, Renette
cells, calciferous glands, glomerulus,
lophophore
BIO 3324 Invertebrate Zoology
Université d’Ottawa / University of Ottawa
7
06:29
Reproduce
● Asexual
– Budding, binary/multiple fission,
parthenogenesis, fragmentation, larval
amplification
● Sexual
– Conjugation, syngamy, monoecious,
dioecious, indirect/direct development,
ovoparious, viviparous, ovoviviparous
BIO 3324 Invertebrate Zoology
Université d’Ottawa / University of Ottawa
8
06:29
Senses
● Structures
– Light: Ocelli, Compound eye, rhopalia, camera/retinular eye,
pigment cuos, eye spots
– Chemo/Mechano: auricles, scalids, setal hairs,
cirri/tentacles, olfactory crest, tympanum, pectines
– Gravity: Apical sense oragn, statocyst, rhopalia
– Nerve system organization
• Nets, tetraneural, ladder-like, dorsal/ventral nerve
cords, paired/unpaired, nerve ring
BIO 3324 Invertebrate Zoology
Université d’Ottawa / University of Ottawa
9
06:29