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BIO 102
Chp 11
37
Biology
Undergraduate 1
05/04/2012

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Term
Which of the following insect orders has the most species currently named by scientists?
Definition
beetles
Term
Three major differences between humans and chimpanzees are that humans are bipedal, have a larger brain, and have a larger body. Which of these characteristics evolved first?
Definition
bipedality
Term
Which of the following is NOT a cnidarian?
Definition
sea urchins
Term
Which of the following worms lack a digestive system?
Definition
tapeworms
Term
The phylum Platyhelminthes are more commonly known as:
Definition
flatworms
Term
Segmented worms (annelids), roundworms (nematodes), and flatworms (platyhelminths):
Definition
are all bilaterally symmetrical.
Term
All arthropods have:
Definition
a chitinous exoskeleton and jointed appendages.
Term
Echinoderm larvae are ________________, while echinoderm adults are ________________.
Definition
bilaterally symmetrical; radially symmetrical
Term
Which of these animals does NOT belong in class Arachnida?
Definition
crayfish
Term
The vast majority of invertebrates are:
Definition
protostomes.
Term
You are eating in a French restaurant and read that snails are on the menu. Being a knowledgeable biologist, you kindly inform the other members at the table that this restaurant is serving the ___________ class of Mollusks.
Definition
Gastropod
Term
What is the major developmental characteristic that shows the close relationship between echinoderms and chordates?
Definition
In both groups, the gut develops from back to front.
Term
Which of the following is FALSE?
Definition
Animals are not all descended from a common ancestor.
Term
Marsupials, together with which one of the following groups, combine to make a monophyletic assemblage?
Definition
placental mammals
Term
The most ancient branching point in the phylogeny of animals is the one that distinguishes between having:
Definition
true tissues or no tissues.
Term
The other species of humans that were alive contemporaneously with Homo sapiens were:
Definition
Homo neanderthalensis, Homo floresiensis, and Homo erectus.
Term
The undersides of the arms of a sea star are carpeted with ___________________ that extend and contract in waves, grasping and releasing the substrate as the animal glides along.
Definition
tube feet
Term
Which order of insects has the highest species diversity, more than that of any other order in animals?
Definition
beetles
Term
According to Darwin:
Definition
it is improper to view any species as higher or lower than any other species.
Term
Reptiles show numerous adaptations for a completely terrestrial life cycle. One adaptation that first occurred in the reptiles includes:
Definition
the amniotic egg.
Term
Which of the following is a common characteristic of the arthropod phylum?
Definition
Only a), c), and d) are correct.
Term
All cnidarians have tentacles that are armed with rows of stinging:
Definition
cnidocysts
Term
Birds are most closely related to:
Definition
crocodiles
Term
Both birds and mammals have four-chambered hearts. But birds are more closely related to crocodiles, which have three-chambered hearts, than they are to mammals. The correct interpretation of these observations is that:
Definition
birds and mammals independently evolved four-chambered hearts
Term
Birds are ___________________, while turtles are _________________.
Definition
endotherms; ectotherms
Term
Which animal phylum lacks true tissues?
Definition
Porifera (sponges)
Term
The figure represents a phylogenetic tree of the:
Definition
animals
Term
In terms of their adaptation to living on land, how are reptiles similar to the seed plants?
Definition
Both c) and d) are correct.
Term
Which of the following series of events correctly describes the evolutionary history of the vertebrates, from earliest to latest in time?
Definition
jaws → lungs → four limbs → hair
Term
Lampreys and hagfishes:
Definition
are the only extant jawless vertebrates.
Term
Two important features that distinguish mammals from any other type of animal are:
Definition
hair and mammary glands.
Term
Which of the following choices does NOT correctly categorize the biological kingdom with the form of reproduction used by the organisms within it?
Definition
Fungi: asexual reproduction only
Term
The fossil known as Lucy was a:
Definition
australopithecine.
Term
What is the major developmental characteristic that shows the close relationship between echinoderms and chordates?
Definition
In both groups, the gut develops from back to front.
Term
All of the following are arachnids EXCEPT:
Definition
horseshoe crabs.
Term
Which of the following shows the correct complete classification of modern humans, from phylum to species?
Definition
Chordata; Vertebrata; Mammalia; Primates; Hominidae; Homo; Homo sapiens.
Term
Using the phylogenetic tree in the figure, determine which of the following constitutes a monophyletic group.
Definition
crocodiles and birds
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