lab final
Radula (Mollusca)
Structure found in the mouths of all mollusks except the bivalves; flexible tongue-like tissue covered with tough, abrasive teeth that point backward
Class Oligochaeta (Phylum Annelida)
earthworms, monoecious
Class Amphibia
frogs, toads, salamanders, caecilians
Anterior (ventral)
front of the body
Class Mammalia characteristics
fur/hair mammary glands live births (mostly) types of teeth 4-chambered heart
Class Mammalia
hair and mammary glands
Phylum Onychophora
velvet worms
Phylum Chordata
vertebrates
Subphylum Vertebrata
vertebrates
Phylum Tardigrada
water bears
Phylum Platyhelminthes (flatworms)
· Distinct organ systems · Bilateral Symmetry · Acoelomate · Three tissue levels · Cephalization · Gastrovascular cavity—only one opening-acts as the mouth and the anus · Tubular mouth (pharynx) at mid-body · Primitive nerve cords · Protonephridia work similar to kidneys · Sexual (some are hermaphroditic) and some Asexual Reproduction (body split) · Most members are parasitic (tapeworms, liver flukes) · Some are free living (Planaria) · Protostomes
Subphylum Crustacea
crustaceans- brachipoda, maxillopoda, copepoda, cirripedia
Ecdysozoans
shed their exoskeletons through a process called ecdysis
Class Gastropoda (Phylum Mollusca)
snails and slugs
Phylum Mollusca
soft bodied animals clams, octopus, snails, squid
phylum mollusca
squid, clam, snail, slug, octopi, bilateral, soft, coelomates, cilia, head-foot, visceral mass, mantle, sexual, internal and external fertilization
Class Cephalopoda (Phylum Mollusca)
squid, octopus, nautilus, absent shell, motile
Phylum Echinodermata
starfish
crop (earthworm)
stores food
phylum anthropoda
success related to jointed appendages, segmentation, & hard exoskeleton
Dorsal
toward the back
Anterior/Cephalic
toward the head
posterior/caudal
toward the tail
phylum rotifera
tripoblastic, bilateral, psuedocoelomate, corona ( cilated organ )
Class Polychaeta (Phylum Annelida)
tubeworms, sandworms, well developed heads
Univalve
An organism with a single shell
tube feet
Extensions of an echinoderm's water vascular system that stick out from the body and function in movement and obtaining food.
complete metamorphosis
Insect development consisting of four stages: egg, larva, pupa, and adult
how many extent organisms in kingdom animalia
1.5 million
Squid anatomy
8 arms 2 tentacles
gradual metamorphosis
A type of metamorphosis in which an egg hatches into a nymph that resembles an adult, and which has no distinct larval stage.
Class Polyplacophora
Chitons (Phylum Mollusca)
superior
Higher on the body, nearer to the head
Inferior
Lower on the body, farther from the head
corona (crown)
Outermost plasma layer
Class Aves characteristics
Reproduction: lay eggs (oviparous) Scales: legs with scales Feathers: derived from scales Endothermic: share with mammals Nitrogenous wastes as uric acid Respiration: lungs with air sacs (one-way air flow) Heart: four chambered Bills: adapted for specific kinds of food Digestive system: • crop: food storage and quizzard for food grinding
Phylum Hemichordata
acorn worms
swim bladder
an air-filled sac near the spinal column in many fishes that helps maintain buoyancy
phylum mollusca shell anatomy
apex and whorls
Posterior (dorsal)
back of body
Ventral
belly side
Platyhelmenthes (Flatworms)
bilateral, 3 germ layers ( tripoblastic ), diffusion ; gas exchange, eyeshots ( cant see ) ; ganglia, incomplete digestive system, sexual and asexual reproduction, hydrodermic ( breathe through skin )
class aves
birds
Class Osteichthyes
bony fish
cnidaria jellyfish
budding - asexual reproduction, hydrozoa, scyphozoa, anthozoa, cubozoa
Class Chondrichthyes
cartilaginous fish; sharks, skates, rays
Class Bivalvia (Phylum Mollusca)
clams, oysters, mussels, scallops
sponges
collagen, spicules, spongin
Phylum Nematomorpha
horsehair worms
Subphylum Hexapoda
insects
hagfish and lampreys
jawless fish
Class Cestoda (tapeworms)
lacks digestive tract, male and female organs
Oviparous
lay eggs
Class Hirudinea (Phylum Annelida)
leeches
viviparous
live birth
Subphylum Mariapoda
millipedes and centipedes
Umbo
oldest part of the shell of a bivalve from which the shell grows
Phylum Porifera (sponges)
over 10,000 species, mostly marine, calcarea, demospongiae, hexacitanellida
Phylum Cnidaria
over 10,000 species, mostly sessile marine invertebrates, medusa and polyp
Class Tremetoda
parasitic flukes, un-segmented
Ovoviviparous
producing living young from eggs that hatch within the body
green glands (crayfish)
remove metabolic waste from the blood
Phylum Rotifera
rotifers
Phylum Annelida
segmented worms, earthworms, leeches
Lophotrochozoa
segmented worms, molluscs, lophophorates
phylum annelida
segmented worms, setae for locomotion