BIO 1104 Lab Final Exam Study Guide
Questions with Correct Answers
Invertebrate fossils - CORRECT ANSWER -no backbone, shells
Vertebrate fossils - CORRECT ANSWER -backbone
Plant fossils - CORRECT ANSWER -leaves, random shape
Homologous structures - CORRECT ANSWER -
anatomical similarities between organisms. Common ancestor
Analogous structures - CORRECT ANSWER -
various structures in different species having the same function but have evolved separately. N
o common ancestor
Vertebrate embryo structures - CORRECT ANSWER -fish: fin bud
Reptile and bird: ear, limb bud
Bilateral symmetry - CORRECT ANSWER -animal has a definite left and right side
Radical symmetry - CORRECT ANSWER -symmetry found around a central axis. Starfish
Bilateral symmetry phyla & 3 germ layers - CORRECT ANSWER -
chordates, echinoderms (different in larvae form), arthropods, roundworms, annelids, molluscs
, flatworms, rotifers, lophophorates
, Radical symmetry phyla & 2 germ layers - CORRECT ANSWER -comb jellies, cnidarians
Sponge anatomy - CORRECT ANSWER -y shape
Hydra (cnidarians) - CORRECT ANSWER -
Jellyfish - CORRECT ANSWER -
Function of cnidocytes - CORRECT ANSWER -
specialized stinging cells; led to name of the phylum
Medusa - CORRECT ANSWER -free floating; best exemplified by marine jelly
Polyp - CORRECT ANSWER -
attached; cylindrical with tentacles projecting from one end (hydras and sea anemones)
Planarian - CORRECT ANSWER -
Tapeworm anatomy - CORRECT ANSWER -
Planarian characteristics - CORRECT ANSWER -
ciliated epidermis; head with eye spots and auricles; nerves and brain (nervous system); branc
hed (digestive organ); hermaphroditic
Tapeworm characteristics - CORRECT ANSWER -
body wall specialized for absorption; scolex with hooks and suckers, reduced nervous system, a
bsent digestive organ; extensively developed reproductive organs
Questions with Correct Answers
Invertebrate fossils - CORRECT ANSWER -no backbone, shells
Vertebrate fossils - CORRECT ANSWER -backbone
Plant fossils - CORRECT ANSWER -leaves, random shape
Homologous structures - CORRECT ANSWER -
anatomical similarities between organisms. Common ancestor
Analogous structures - CORRECT ANSWER -
various structures in different species having the same function but have evolved separately. N
o common ancestor
Vertebrate embryo structures - CORRECT ANSWER -fish: fin bud
Reptile and bird: ear, limb bud
Bilateral symmetry - CORRECT ANSWER -animal has a definite left and right side
Radical symmetry - CORRECT ANSWER -symmetry found around a central axis. Starfish
Bilateral symmetry phyla & 3 germ layers - CORRECT ANSWER -
chordates, echinoderms (different in larvae form), arthropods, roundworms, annelids, molluscs
, flatworms, rotifers, lophophorates
, Radical symmetry phyla & 2 germ layers - CORRECT ANSWER -comb jellies, cnidarians
Sponge anatomy - CORRECT ANSWER -y shape
Hydra (cnidarians) - CORRECT ANSWER -
Jellyfish - CORRECT ANSWER -
Function of cnidocytes - CORRECT ANSWER -
specialized stinging cells; led to name of the phylum
Medusa - CORRECT ANSWER -free floating; best exemplified by marine jelly
Polyp - CORRECT ANSWER -
attached; cylindrical with tentacles projecting from one end (hydras and sea anemones)
Planarian - CORRECT ANSWER -
Tapeworm anatomy - CORRECT ANSWER -
Planarian characteristics - CORRECT ANSWER -
ciliated epidermis; head with eye spots and auricles; nerves and brain (nervous system); branc
hed (digestive organ); hermaphroditic
Tapeworm characteristics - CORRECT ANSWER -
body wall specialized for absorption; scolex with hooks and suckers, reduced nervous system, a
bsent digestive organ; extensively developed reproductive organs
