A) hard, horny scales
B) internal fertilization by means of a penis
C) shelled egg
D) well-developed lungs
E) All the answer choices describe features necessary for reptile adaptation to life on land.
Correct Answer
verified
Multiple Choice
A) bipedal.
B) all birds.
C) endothermic.
D) ectothermic.
E) reptiles.
Correct Answer
verified
Multiple Choice
A) monotremes
B) marsupials
C) placentals
D) snakes
E) birds
Correct Answer
verified
Multiple Choice
A) have bony skeletons.
B) lack jaws.
C) have a keen sense of smell.
D) lack the lateral line system of bony fishes.
E) do not have paired fins.
Correct Answer
verified
Multiple Choice
A) Birds are cold-blooded; mammals are warm-blooded.
B) Birds are egg laying; no mammals lay eggs.
C) Birds have air sacs in addition to lungs; mammals have no air sacs.
D) Birds lack a septum between the ventricles; mammals have a septum between the ventricles.
E) Birds, unlike mammals, require no parental care.
Correct Answer
verified
Multiple Choice
A) fish.
B) amphibian.
C) reptile.
D) bird.
E) mammal.
Correct Answer
verified
Multiple Choice
A) in tropical Amazon streams.
B) as parasites inside the tracts of fish.
C) very rarely in mountain streams, where they are almost extinct.
D) commonly in the sandy bottoms of shallow coastal waters around the world.
E) on the bottom of the ocean.
Correct Answer
verified
Multiple Choice
A) mammary gland.
B) egg.
C) pouch.
D) placenta.
E) amniote egg.
Correct Answer
verified
Multiple Choice
A) tunicate gill slits are like ribs.
B) tunicate adults have a notochord.
C) tunicate larvae have a notochord.
D) all vertebrate embryos go through a stage that resembles adult tunicates.
E) tunicate adults have all four chordate characteristics.
Correct Answer
verified
Multiple Choice
A) Ardipithecus kadabba
B) Australopithecus anamensis
C) Ardipithecus ramidus
D) Australopithecus afarensis
E) Homo habilis
Correct Answer
verified
True/False
Correct Answer
verified
Multiple Choice
A) hagfish.
B) lamprey.
C) coelacanth.
D) skate.
E) ray-finned fish.
Correct Answer
verified
Multiple Choice
A) nails on hands and feet
B) stereoscopic vision
C) well-developed brain
D) opposable thumb
E) rapid growth after birth
Correct Answer
verified
Multiple Choice
A) ability to sense electric currents in the water
B) skeleton of cartilage
C) a sucker used to attach to prey
D) ability to sense pressure of other swimming objects
E) ability to detect blood in minute amounts
Correct Answer
verified
Multiple Choice
A) hagfish.
B) lampreys.
C) coelacanths.
D) skates.
E) ray-finned fishes.
Correct Answer
verified
Multiple Choice
A) amphibians.
B) reptiles.
C) birds.
D) mammals.
E) chordates.
Correct Answer
verified
Essay
Correct Answer
verified
View Answer
Multiple Choice
A) light, hollow bones
B) a light, horny beak with no teeth
C) respiratory air sacs and lungs with one-way air flow
D) an enlarged breastbone with strong muscles attached
E) All of the answers list requirements for flight in birds.
Correct Answer
verified
Essay
Correct Answer
verified
View Answer
Multiple Choice
A) notochord-vertebrae-jaws-bony skeleton-lungs-4 limbs-amniotic egg-mammary glands
B) vertebrae-notochord-jaws-bony skeleton-lungs-4 limbs-amniotic egg-mammary glands
C) notochord-vertebrae-jaws-bony skeleton-lungs-amniotic egg-4 limbs-mammary glands
D) notochord-vertebrae-jaws-bony skeleton-mammary glands-lungs-4 limbs-amniotic egg
E) mammary glands-notochord-vertebrae-jaws-lungs-4 limbs-amniotic egg-bony skeleton
Correct Answer
verified
Showing 21 - 40 of 61
Related Exams