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105 Cards in this Set
- Front
- Back
Order of Phylum, starting from lowest
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Porifera, Cnidaria, Platyhelminthes, Nematoda, Mollusca, Annelida, ARthropods, Echinodermata, Chordata
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Which phylum am I?
octopus |
Phylum Mollusca
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Four characteristics of an animal?
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Eukaryotic, Multicellular, Heterotrophic, Lack cell walls
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Blastula
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Hollow ball of cells formed by the zygote
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gastrulation
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the process of one side of the blastula folds inward
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gastrula
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formed by the folding in of one side of the blastula
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diploblasts / triploblasts
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organisms with 2 layers / 3 layers
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Bilateral symmetry is (less / more) advanced than radial symmetry
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more
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Coelom
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Body Cavity - fluid-filled space between the body wall and digestive tract
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Pseudocoelomate
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"fake" body cavity
tissue not derived from the besoderm |
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coelomate
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tissue layer wraps around the coelom, suspends the digestive tract and other internal organs
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Protostome
(3 characteristics) |
-blastopore becomes mouth
-spiral, determinate cleavage -includes mollusks, annelids, and arthropods |
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Deuterostome
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-blastopore becomes anus
-radial, indeterminate cleavage -includes only echinoderms, chordates |
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Which phylum am I?
-radial symmetry, ability to regenerate, have intracellular digestion |
Porifera
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Which phylum am I?
-2 layers of cells, lacks true tissues, are sessile |
Porifera
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Which phylum am I?
-reproduce by budding or falling into several pieces, has no gastrula stage |
Porifera
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Which phylum am I?
-radial symmetry, has true tissues |
Cnidaria
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Which phylum am I?
2 tissue layers, gastrovascular cavity |
Cnidaria
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gastrovascular cavity
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incomplete digestive tract (acoelomate) - has one opening - circulates fluid and food
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Which phylum am I?
have a hydrostatic skeleton, have cnidocytes |
Cnidaria
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cnidocytes
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specialized cells for capture of prey, dense from predators
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nematocysts
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stinging cells - some cnidocytes have a packed thread of this
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Which phylum am I?
bilateral symmetry, three tissue layers, acoelomate |
Platyhelminthes
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Which phylum am I?
acoelomate, branched gastrovascular cavity |
Platyhelminthes
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Which phyla have acoelomates?
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Cnidaria and Platyhelminthes
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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
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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 |
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Flukes
(3 characteristics and Phylum) |
Phylum Platyhelminthes
-parasitic - can have suckers -prolific egg layers -complex life cycle (many have more than one host) |
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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 |
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scolex
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A hook that tapeworms have on their head to hook into host
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Which phylum am I?
cylindrical worm with a blunt head and tapered tail |
Nematoda
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Which phylum am I?
Pseudocoelomate |
Nematoda
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Which phylum am I?
bilateral symmetry and cuticle |
nematoda
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Which phylum am I?
bilateral symmetry, parasitic and free-living ones, important decomposers |
nematoda
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Which phylum am I?
have a muscular foot |
mollusca
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Which phylum am I?
bilateral symmetry, coelomate, radula, mantle |
mollusca
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radula
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specialized to scrape up food
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mantle
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drapes over the animal, some make shell
many roles - produces calcareous shell, sensory organ, waste disposal -mantle cavity holds gill |
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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 |
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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 |
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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 |
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most intelligent invertebrate (or name of group)
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cephalopoda
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Which phylum am I?
Segmented worm |
Annelida
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Which phylum am I?
coelomate, bilateral symmetry, closed circulatory system, hydrostatic skeleton |
annelida
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Which phylum am I?
Earthworms |
Annelida
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Which phylum am I?
Which group am I? Tube worm |
Annelida, Polychaetes
-largest group of annelids -many live in tubes |
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Which phylum am I?
Leech |
Annelida
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Which phylum am I?
jointed appendages |
Arthropda
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Which phylum am I?
segmented, exoskeleton made of chitin |
Arthropda
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circulatory system of arthropods
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open system with hemolymph
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Which phylum am I?
Coelomate, bilater symmetry, open circulatory system, 3 segments |
Arthropda
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What are the three segments of Arthropods and what is a very basic function of each?
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Head - sensory antenna
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Which phylum am I?
jointed appendages |
Arthropda
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Which phylum am I?
segmented, exoskeleton made of chitin |
Arthropda
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circulatory system of arthropods
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open system with hemolymph
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Which phylum am I?
Coelomate, bilater symmetry, open circulatory system, 3 segments |
Arthropda
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What are the three segments of Arthropods and what is a very basic function of each?
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Head - has sensory antenna
Thorax - has 1 pair of pincers, 4 pairs of legs Abdomen - has swimming appendages |
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most numerous animal phylum on earth
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arthropda
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ecdysis
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shedding exoskeleton - molting
arthropods do this |
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Which phylum am I?
Horse shoe Crabs "a living fossil" |
Arthropda
"oldest living fossil" |
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Which phylum am I?
Which class am I? scorpions, ticks, mites |
Phylum Arthropda
Class Arachnida |
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Which phylum am I?
Which class am I? barnacles, krill |
Arthropda
Crustaceans |
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Which class are these located in?
book lungs |
Arachnida of the Arthropda phylum
**spiders + book lungs |
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Difference between Centipeds/Millipedes and worms?
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Centipedes and millipedes have legs.
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I have 2 legs per segment and I eat decaying matter
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Millipede
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I have 3 legs per segment, and I am a poisonous predator
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Centepede
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Which phylum am I?
Which class am I? Centipede |
Phylum Arthropda
Class Chilopoda |
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Which phylum am I?
Which class am I? Millipede |
Phylum Arthropda
Class Diplopoda |
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What are the body parts of an insect?
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Head - sensory antennae, eyes, specialized mouth parts
Thorax - 3 pairs of legs and 1-2 pairs of wings Abdomen |
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Which phylum am I?
Which class am I? undergo metamorphosis |
Arthropda
Insecta |
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Incomplete / complete metamorphosis
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in incomplete, the larva resembles the adult. in complete, the larva is different from adult
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Which phylum am I?
Which class am I? Which order am I? moth |
Arthropda
Insecta Lepidoptera |
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Which phylum am I?
Which class am I? Which order am I? mosquitos, fruit flies |
Arthropda
Insecta Diptera |
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Entomology
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study of insects
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What are some classes in Phylum Arthropda?
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Arachnida, Diplopoda, Chilopoda, Insecta
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Which phylum am I?
rough, spiny skin |
echinodermata
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Which phylum am I?
radial symmetry, water vascular system, tube feet |
Echinodermata
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Examples of Echinodermata?
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sea stars, sea urchins, sand dollars, sea lilies, feather stars, sea cucumbers, sea daisies
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Which phyla am I?
deuterostome |
Echinodermata, Chordata
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Which phyla am I?
Protostome? |
Mollusca, Annelida, Arthropoda
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Which phylum am I?
dorsal hollow nerve cord |
Chordata
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Which phylum am I?
have a notochord |
chordata
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What are the classes in Chordata? Examples?
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Chondrichthyes (sharks), Osteichthyes (bony fish), Amphibia (toads), Reptilia (turtles), aves (birds), mammalia (cows)
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Phylum Chordata :
Which classes have 2 chambered hearts? |
Chondrichthyes and Osteichthyes
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Phylum Chordata: Which classes have 3 chambered heart? (divided or not)
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Amphibia and Reptilia (partially divided ventricle)
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Phylum Chordata:
Which classes have 4 chambered hearts? |
Aves and Mammalia
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Chordates have 4 distinct features:
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1. dorsal, hollow nerve cord
2. notochord 3. gill structures (pharyngeal slits) 4. Post-anal tail |
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biggest group of chordates are the _________.
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vertebrates
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Which Phylum am I?
tunicates, lancelets |
Chordata
Larval tunicates have chordate features, adults don't. Lancelet adults retain chordate features. |
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Which Phylum am I?
Hag Fish |
Chordata
have cartilaginous skull, lack vertebrae and jaws |
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Examples of Jawless fishes
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Sea lampreys - parasites - have invaded the great lakes - have a cartilaginous skeleton
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examples of jawed fishes
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sharks, rays, tuna, goldfish, lungfishes
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Chondrichthyes examples
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sharks, rays
cartilaginous fishes |
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examples of Osteoichthyes
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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 |
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operculum
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osteoichthyes have this which covers the gills
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swim bladder
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internal gas filled organ that allows fish to control its buoyancy
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examples of lobe-finned fishes
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coelecanth, lung fishes
use lobed fins to walk along the ocean bottom |
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Which class(es) am I?
Tetrapods |
Amphibians, Reptiles, Aves, Mammalia
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examples of Amphibians
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frogs, salamanders, etc
moist skin functions in gas exchange so require damp habitats rapid world-wide decline in amphibian populations |
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Amniotes
characteristics and classes |
Embryo develops inside a protective fluid-filled sac called the amnion
- reptiles, birds, mammals |
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examples of reptiles
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lizards, snakes, turtles, birds
skin covered with scales made of keratin regulate body temp via behavior ectotherms amniotic egg is leathery |
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examples of Aves
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"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 |
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examples of Mammals
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humans, cows, whales
have hair & mammary glands monotremes (mammals that lay eggs), eutherians (placental mammals), and marsupials (carry young in pouches) |
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Monotremes
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mammals that lay eggs
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Eutherians
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placental mammals
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