Campbell Biology Chapter 33 Flashcards

9395133448	Invertebrates	Animals without a backbone	0
9395133449	Animals in the phylum Porifera	sponges	1
9395133450	Sponges are	sedentary and live in marine waters or fresh water	2
9395133451	Filter feeders	animals that capture food particles suspended in the water that passes through their body	3
9395133452	The body cavity of a sponge	spongocoel	4
9395133453	Opening at the top of sponges	Osculum	5
9395133454	Choanocytes	Flagellated collar cells that generate water current through the sponge and ingest suspended food	6
9395133455	Mesohyl	A gelatinous noncellular layer between two cell layers	7
9395133456	Amoebocytes	found in the mesohyl and play roles in digestion and structure	8
9395133457	Hermaphrodites	each individual functions as both male and female	9
9395133458	Examples of cnidarians	Jellies, corals, and hydras	10
9395133459	Gastrovascular cavity	single opening that functions as a mouth and an anus	11
9395133460	Two variations of the body plan of cnidarians	polyp and medusa	12
9395133461	Polyp	Hydra, sessile on the aboral end.	13
9395133462	Medusa	Jellies, bell shaped bodies with a mouth on the underside	14
9395133463	Cnidocyte	unique cells that function in defense and capture of prey	15
9395133464	Nematocysts	specialized organelles within cnidocytes that eject a stinging thread	16
9395133465	Medusozoans	All cnidarians that produce a medusa	17
9395133466	Hydras reproduce by	budding	18
9395133467	Corals often form symbioses with algae and secrete a hard	exoskeleton	19
9395133468	the clade bilateria contains (3)	Lophotrocozoa, ecdysozoa, and deuterostomia	20
9395133469	What regulates the osmotic balance in flatworms	protnephridia	21
9395133470	What are the best-known rabditphorans	planarians	22
9395133526	Planarian anatomy		23
9395133471	Two different types of rhabditophorans	trematodes and tapeworms	24
9395133472	trematodes	parasite that spend most of their life in snails. they have alternating sexual and asexual stages	25
9395133473	tapeworms	parasites of vertebrates that lack a digestive system. absorb nutrients from the host's intestine	26
9395133474	the tapeworms units that contain sex organs	proglottids	27
9395133475	Rotifers	tiny animals that inhabit fresh water, the ocean, and damp soil	28
9395133476	A digestive tube with a separate mouth and anus that lies within a fluid filled pseudocoelom	Alimnetary canal	29
9395133477	The process where females produce offspring from unfertilized eggs	parthenogenesis	30
9395133478	Sessile colonial animals that superficially resemble plants	ectoprocts	31
9395133479	Animals that superficially resemble clams and molluscs	Brachiopods	32
9395133480	Phylum mollusca contains what animals	Snails, slugs, oysters, clams, octopuses, and squids.	33
9395133481	What are the three main body parts of molluscs	Muscular foot, visceral mass, and a mantle	34
9395133482	Many molluscs have two other body parts	Mantle cavity and radula	35
9395133483	The gonads of molluscs are located where	visceral mass	36
9395133484	Four major classes of molluscs	Polyplacophora, gastropoda, bivalvia, and cephalopoda.	37
9395133485	Chitons	oval shaped marine animals encased in armor	38
9395133486	Gastropods	Mostly snails and slugs, have a spiraled shell, and are herbivores.	39
9395133487	Clams mussels and scallops are	Bivalves	40
9395133488	Carnivores with beaklike jaws surrounded by tentacles	cephalopods	41
9395133489	Coelomates with bodies composed of a series of fused rings	Annelids	42
9395133490	Mobile, marine organisms that have parapodia on each body segment	errantians	43
9395133491	Clade that contains leeches and earthworms. Usually less mobile than errantians	Sedentarians	44
9395133492	Predators of invertebrates and parasites that suck blood	leeches	45
9395133493	Tough coat that ecdysozoans are covered by	cuticle	46
9395133494	The cuticle is then molted in a process called	ecdysis	47
9395133495	Animals found in most aquatic habitats, in the soil, in moist tissues of plants.	Nematodes	48
9395133496	Body plan of arthropod	segmented body, hard exoskeleton, jointed appendages	49
9395133497	Appendages of arthropods are modified for	walking, feeding, sensory reception, reproduction, and defense.	50
9395133498	Open circulatory system	hemolymph is circulated into the spaces surrounding the tissues and organs	51
9395133499	3 lineages of arthropods	Chellicerates, myriapods, and pancrustaceans.	52
9395133500	Cellicerates	sea spiders, horseshoe crabs, scorpions, ticks, mites, and spiders	53
9395133501	myriapods	centipedes and millipedes	54
9395133502	pancrustaceans	lobsters and other crustaceans, as well as insects and their relatives	55
9395133503	Feeding apendages of cellicerata	chellicerae	56
9395133504	Arachnids	spiders, scorpions, ticks, and mites	57
9395133505	Gas exchange in spiders occurs where	book lungs	58
9395133506	All millipedes and centipedes belong to the clade	myriapoda	59
9395133507	Millipedes are herbivores but centipedes are	carnivores	60
9395133508	Crustaceans	Sea animals with highly specialized appendages. smaller ones have cuticles larger ones have gills	61
9395133509	Shelled cephalopods are called	ammonites	62
9395133510	Insects	Animals that live in almost every terrestrial habitat and fresh water.	63
9395133511	The process where young insects resemble adults but go through a series of molts until they reach full size	incomplete metamorphosis	64
9395133512	Insects that have larval stages known by such names such as maggot, grub, or caterpillar undergo what	complete metamorphosis	65
9395133513	insects have separate males and females and reproduce	sexually	66
9395133514	Sea stars and sea urchins are what	echinoderms	67
9395133515	The clade deuterostomia consists of what	echinoderms and chordates	68
9395133516	deuterstomes share developmental characteristics, what are they	radial cleavage and formation of the anus from the blastopore	69
9395133517	Echinoderms	slow moving or sessile marine animals	70
9395133518	A network of hydraulic canals branching to tube feet	water vascuclar system	71
9395133519	Tube feet	the appendages that help echinoderms with locomotion and feeding	72
9395133520	Echinoderms are divided into 5 clades (AOECH)	Asteroidea, ophruoidea, echinoidea, crinoidea, holothuroidea	73
9395133521	Asteroidea	sea stars and sea daises	74
9395133522	Ophiuroidea	Brittle stars	75
9395133523	Echinoidea	sea urchins and sand dollars	76
9395133524	Cninoidea	sea lillies and feather stars	77
9395133525	Holothuroidea	sea cucumbers	78