UNIT - 8 AP BIOLOGY Flashcards

13269295507	List the four derived characteristics of the members of the Phylum Chordata	Notochord, Dorsal Hollow nerve, Pharyngeal Slits, Muscular, Post Anal-tail	0
13269336782	Notochord	A flexible rod that supports a chordate's back	1
13269342672	Dorsal Hollow Nerve Chord	nerve cord found in all chordates that forms the spinal cord and brain	2
13269342845	Pharyngeal Slits	A gill structure in the pharynx.	3
13269351466	Muscular, Post-Anal Tail (Chordates)	Tail that extends posterior to the anus.	4
13269382734	Chordate	Animals with a notochord, most have a backbone.	5
13269387660	Urochordates	tunicates	6
13269391649	Lancelets	Cephalochordata	7
13269398428	craniate	A chordate with a head.	8
13269401145	Vertebrate	An animal with a backbone	9
13269401146	Sessile	rooted	10
13269408125	Motile	able to move	11
13269409581	Somites	blocks of tissue that form along the sides of the embryo.	12
13269418852	tertapods	Vertebrates that have limbs with digits	13
13269427479	Amniotic Egg	containing amniotic fluid, cushion for embryo	14
13269457798	Agnathans	jawless fish	15
13269459759	Allantois	acids in gas exchange and waste management	16
13269464879	Amnion	innermost layer of the fetal membrane	17
13269467401	Chorion	Outermost layer of the two membranes surrounding the embryo; it forms the fetal part of the placenta.	18
13269471364	Yolk Sac	vistigial in humans; provides nutrients in embryo.	19
13269479405	Theropod	A member of a group of dinosaurs that were bipedal carnivores.	20
13269485499	Endothermic	Absorbs heat	21
13269487602	Ectothermic	cold blooded	22
13269491627	Ostrivhthyes	Jawless, Caryilagenous, Horny Fish.	23
13269505313	orders of amphibians	Urodela, Anura, Apoda	24
13269511488	3 groups of monophyletic Amniotes	Synapsids, Anapsids, DIapsids	25
13269529143	Mammals are classafied because of	Mammary glands, placenta	26