A) their ancestors were fish.
B) their food organisms live in water.
C) their reproduction depends on water.
D) they can escape from predators by jumping into the water.
E) they obtain oxygen from water through gills.
Correct Answer
verified
Multiple Choice
A) Sarcopterygi
B) Actinopterygi
C) Chondrichthyes
D) Placodermi
E) Acanthodii
Correct Answer
verified
Multiple Choice
A) Homo habilis.
B) Homo erectus.
C) Homo sapiens.
D) Neanderthals.
E) Cro-Magnons.
Correct Answer
verified
Multiple Choice
A) bird
B) reptile
C) amphibian
D) bony fish
E) mammal
Correct Answer
verified
Multiple Choice
A) anapsid
B) synapsid
C) diapsid
D) archosaur
E) dinosaur
Correct Answer
verified
Multiple Choice
A) Chondrichthyes-sharks
B) Placodermi-lobe-finned fish
C) Agnatha-jawless fish
D) Myxini-hagfish
E) Osteichthyes-bony fish
Correct Answer
verified
Multiple Choice
A) primates.
B) rodentia.
C) cetacea.
D) carnivora.
E) marsupialia.
Correct Answer
verified
Short Answer
Correct Answer
verified
Multiple Choice
A) esophagus.
B) trachea.
C) Eustachian tube.
D) bronchial tube.
E) pharynx.
Correct Answer
verified
Multiple Choice
A) a distinctive head or skull.
B) an open circulatory system.
C) gills.
D) scales.
E) a tunic.
Correct Answer
verified
Multiple Choice
A) the amniotic egg.
B) dry skin covered with scales.
C) an efficient circulatory system.
D) efficient lungs.
E) endothermy.
Correct Answer
verified
Multiple Choice
A) Homo beidelbergensis Homo habilis Homo sapiens Homo erectus
B) Homo habilis Homo beidelbergensis Homo erectus Homo sapiens
C) Homo beidelbergensis Homo sapiens Homo erectus Homo habilis
D) Homo sapiens Homo beidelbergensis Homo habilis Homo erectus
E) Homo habilis Homo erectus Homo beidelbergensis Homo sapiens
Correct Answer
verified
Multiple Choice
A) amniotic egg.
B) allantois egg.
C) chorionic egg.
D) diploid egg.
E) swim bladder.
Correct Answer
verified
Short Answer
Correct Answer
verified
Multiple Choice
A) arrow worm
B) tunicate
C) acorn worm
D) lancelet
E) crinoid
Correct Answer
verified
Short Answer
Correct Answer
verified
Multiple Choice
A) incurrent siphon
B) excurrent siphon
C) gill slits
D) notochord
E) pharynx
Correct Answer
verified
Multiple Choice
A) shell-porous,protective covering
B) chorion-exchange of respiratory gases;retention of water
C) amnion-encloses embryo within an oxygen-filled cavity
D) allantois-segregates nitrogenous wastes from embryo
E) yolk sac-provides food for the embryo
Correct Answer
verified
Multiple Choice
A) hollow bones and air sacs
B) bipedalism
C) expansion of the pectoral girdle
D) elongation of the digits of the forearm
E) feathers
Correct Answer
verified
Multiple Choice
A) Archaeopteryx had features,as do modern birds.
B) Archaeopteryx lacked teeth as do modern birds.
C) Archaeopteryx had solid bones,unlike the hollow bones of modern birds.
D) Archaeopteryx had wings as do modern birds.
E) Archaeopteryx had a long tail,unlike modern birds.
Correct Answer
verified
Showing 61 - 80 of 94
Related Exams