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105 Cards in this Set

  • Front
  • Back
Order of Phylum, starting from lowest
Porifera, Cnidaria, Platyhelminthes, Nematoda, Mollusca, Annelida, ARthropods, Echinodermata, Chordata
Which phylum am I?
octopus
Phylum Mollusca
Four characteristics of an animal?
Eukaryotic, Multicellular, Heterotrophic, Lack cell walls
Blastula
Hollow ball of cells formed by the zygote
gastrulation
the process of one side of the blastula folds inward
gastrula
formed by the folding in of one side of the blastula
diploblasts / triploblasts
organisms with 2 layers / 3 layers
Bilateral symmetry is (less / more) advanced than radial symmetry
more
Coelom
Body Cavity - fluid-filled space between the body wall and digestive tract
Pseudocoelomate
"fake" body cavity
tissue not derived from the besoderm
coelomate
tissue layer wraps around the coelom, suspends the digestive tract and other internal organs
Protostome

(3 characteristics)
-blastopore becomes mouth
-spiral, determinate cleavage
-includes mollusks, annelids, and arthropods
Deuterostome
-blastopore becomes anus
-radial, indeterminate cleavage
-includes only echinoderms, chordates
Which phylum am I?
-radial symmetry, ability to regenerate, have intracellular digestion
Porifera
Which phylum am I?
-2 layers of cells, lacks true tissues, are sessile
Porifera
Which phylum am I?
-reproduce by budding or falling into several pieces, has no gastrula stage
Porifera
Which phylum am I?
-radial symmetry, has true tissues
Cnidaria
Which phylum am I?
2 tissue layers, gastrovascular cavity
Cnidaria
gastrovascular cavity
incomplete digestive tract (acoelomate) - has one opening - circulates fluid and food
Which phylum am I?
have a hydrostatic skeleton, have cnidocytes
Cnidaria
cnidocytes
specialized cells for capture of prey, dense from predators
nematocysts
stinging cells - some cnidocytes have a packed thread of this
Which phylum am I?
bilateral symmetry, three tissue layers, acoelomate
Platyhelminthes
Which phylum am I?
acoelomate, branched gastrovascular cavity
Platyhelminthes
Which phyla have acoelomates?
Cnidaria and Platyhelminthes
Which phylum am I?
Which group am I?
I have 2 eyespots, muscles that allow me to twist and turn, and a branched digestive tract
Platyhelminthes - Planaria
Planaria
(6 characteristics & which Phylum)
Phylum Platyhelminthes
-free living or parasitic
found under rocks in fresh water
-2 eyespots sensitive to light
-a flap to detect chemicals
-nerve clusters to form a simple brain
-muscles that allow it to twist and turn
-branched digestive tract with a single opening (pharynx) on ventral sides
Flukes
(3 characteristics and Phylum)
Phylum Platyhelminthes
-parasitic - can have suckers
-prolific egg layers
-complex life cycle (many have more than one host)
Tapeworms
(5 characteristics and Phylum)
Phylum Platyhelminthes
-parasitic
-long ribbonlike body
-have no digestive tract
-absorb nutrients directly
-head- has a scolex to hook into host
-complex life cycles
scolex
A hook that tapeworms have on their head to hook into host
Which phylum am I?
cylindrical worm with a blunt head and tapered tail
Nematoda
Which phylum am I?
Pseudocoelomate
Nematoda
Which phylum am I?
bilateral symmetry and cuticle
nematoda
Which phylum am I?
bilateral symmetry, parasitic and free-living ones, important decomposers
nematoda
Which phylum am I?
have a muscular foot
mollusca
Which phylum am I?
bilateral symmetry, coelomate, radula, mantle
mollusca
radula
specialized to scrape up food
mantle
drapes over the animal, some make shell
many roles - produces calcareous shell, sensory organ, waste disposal
-mantle cavity holds gill
gastropoda
(5 characteristics & phylum & examples)
Phylum Mollusca
-stomach foot
-marine, freshwater, and terrestrial environs
-land snails
- lining of mantle functions as a lung
-calcareous shell exhibits torque (twists)
- ex : snails, slugs
Bivalvia
(3 characteristics & phylum & examples)
-2 valves (shells) hinged together
-most live in mud
-suspension feeders, foot digs in and anchors-sessile
-ex : clams, scallops, oysters
Cephalopoda
(8 characteristics & phylum & examples)
Mollusca
-"head foot"
- marine predators
-reduced or no internal shells
-beak like jaws and radula can crush, rip prey
-mouth is at base of foot (tentacles)
-large complex brain & sense organs
-only mollusk to have closed circulatory system
-very complex eye
-ex: squid, octopi
most intelligent invertebrate (or name of group)
cephalopoda
Which phylum am I?
Segmented worm
Annelida
Which phylum am I?
coelomate, bilateral symmetry, closed circulatory system, hydrostatic skeleton
annelida
Which phylum am I?
Earthworms
Annelida
Which phylum am I?
Which group am I?
Tube worm
Annelida, Polychaetes
-largest group of annelids
-many live in tubes
Which phylum am I?
Leech
Annelida
Which phylum am I?
jointed appendages
Arthropda
Which phylum am I?
segmented, exoskeleton made of chitin
Arthropda
circulatory system of arthropods
open system with hemolymph
Which phylum am I?
Coelomate, bilater symmetry, open circulatory system, 3 segments
Arthropda
What are the three segments of Arthropods and what is a very basic function of each?
Head - sensory antenna
Which phylum am I?
jointed appendages
Arthropda
Which phylum am I?
segmented, exoskeleton made of chitin
Arthropda
circulatory system of arthropods
open system with hemolymph
Which phylum am I?
Coelomate, bilater symmetry, open circulatory system, 3 segments
Arthropda
What are the three segments of Arthropods and what is a very basic function of each?
Head - has sensory antenna
Thorax - has 1 pair of pincers, 4 pairs of legs
Abdomen - has swimming appendages
most numerous animal phylum on earth
arthropda
ecdysis
shedding exoskeleton - molting
arthropods do this
Which phylum am I?
Horse shoe Crabs
"a living fossil"
Arthropda
"oldest living fossil"
Which phylum am I?
Which class am I?
scorpions, ticks, mites
Phylum Arthropda
Class Arachnida
Which phylum am I?
Which class am I?
barnacles, krill
Arthropda
Crustaceans
Which class are these located in?
book lungs
Arachnida of the Arthropda phylum
**spiders + book lungs
Difference between Centipeds/Millipedes and worms?
Centipedes and millipedes have legs.
I have 2 legs per segment and I eat decaying matter
Millipede
I have 3 legs per segment, and I am a poisonous predator
Centepede
Which phylum am I?
Which class am I?
Centipede
Phylum Arthropda
Class Chilopoda
Which phylum am I?
Which class am I?
Millipede
Phylum Arthropda
Class Diplopoda
What are the body parts of an insect?
Head - sensory antennae, eyes, specialized mouth parts
Thorax - 3 pairs of legs and 1-2 pairs of wings
Abdomen
Which phylum am I?
Which class am I?
undergo metamorphosis
Arthropda
Insecta
Incomplete / complete metamorphosis
in incomplete, the larva resembles the adult. in complete, the larva is different from adult
Which phylum am I?
Which class am I?
Which order am I?
moth
Arthropda
Insecta
Lepidoptera
Which phylum am I?
Which class am I?
Which order am I?
mosquitos, fruit flies
Arthropda
Insecta
Diptera
Entomology
study of insects
What are some classes in Phylum Arthropda?
Arachnida, Diplopoda, Chilopoda, Insecta
Which phylum am I?
rough, spiny skin
echinodermata
Which phylum am I?
radial symmetry, water vascular system, tube feet
Echinodermata
Examples of Echinodermata?
sea stars, sea urchins, sand dollars, sea lilies, feather stars, sea cucumbers, sea daisies
Which phyla am I?
deuterostome
Echinodermata, Chordata
Which phyla am I?
Protostome?
Mollusca, Annelida, Arthropoda
Which phylum am I?
dorsal hollow nerve cord
Chordata
Which phylum am I?
have a notochord
chordata
What are the classes in Chordata? Examples?
Chondrichthyes (sharks), Osteichthyes (bony fish), Amphibia (toads), Reptilia (turtles), aves (birds), mammalia (cows)
Phylum Chordata :
Which classes have 2 chambered hearts?
Chondrichthyes and Osteichthyes
Phylum Chordata: Which classes have 3 chambered heart? (divided or not)
Amphibia and Reptilia (partially divided ventricle)
Phylum Chordata:
Which classes have 4 chambered hearts?
Aves and Mammalia
Chordates have 4 distinct features:
1. dorsal, hollow nerve cord
2. notochord
3. gill structures (pharyngeal slits)
4. Post-anal tail
biggest group of chordates are the _________.
vertebrates
Which Phylum am I?
tunicates, lancelets
Chordata
Larval tunicates have chordate features, adults don't.
Lancelet adults retain chordate features.
Which Phylum am I?
Hag Fish
Chordata
have cartilaginous skull, lack vertebrae and jaws
Examples of Jawless fishes
Sea lampreys - parasites - have invaded the great lakes - have a cartilaginous skeleton
examples of jawed fishes
sharks, rays, tuna, goldfish, lungfishes
Chondrichthyes examples
sharks, rays
cartilaginous fishes
examples of Osteoichthyes
tuna trout goldifsh etc
bony fishes
skeleton hardened with calcium phosphate
most have scales, secrete mucus to reduce drag
have an operculum covering the gills
have a swim bladder
operculum
osteoichthyes have this which covers the gills
swim bladder
internal gas filled organ that allows fish to control its buoyancy
examples of lobe-finned fishes
coelecanth, lung fishes
use lobed fins to walk along the ocean bottom
Which class(es) am I?
Tetrapods
Amphibians, Reptiles, Aves, Mammalia
examples of Amphibians
frogs, salamanders, etc
moist skin functions in gas exchange so require damp habitats
rapid world-wide decline in amphibian populations
Amniotes
characteristics and classes
Embryo develops inside a protective fluid-filled sac called the amnion
- reptiles, birds, mammals
examples of reptiles
lizards, snakes, turtles, birds
skin covered with scales made of keratin
regulate body temp via behavior
ectotherms
amniotic egg is leathery
examples of Aves
"feathered reptiles"
birds
endothermic
high rate of metabolism
efficient circulatory system and lungs
lack teeth, feathers have hollow shafts, honeycombed bones
feathers made of keratin
amniotic egg hardened with calcium
excelled vision, complex behaviors
many species migrate
examples of Mammals
humans, cows, whales
have hair & mammary glands
monotremes (mammals that lay eggs), eutherians (placental mammals), and marsupials (carry young in pouches)
Monotremes
mammals that lay eggs
Eutherians
placental mammals