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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


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