Vertebrate Zoology Exam
the first opening (the blastopore) becomes the anus, while the other end becomes the mouth - Answer-
deuterstome
What phylum are vertebrates in? - Answer-chordata
What else are vertebrates known as? - Answer-the chordates
List & give examples of the 3 different subphyla of phylum Chordata - Answer-urochordata,
cephalochordata, vertebrata
List the 5 hallmark characteristics of chordates - Answer-bilateral symmetry, segmented body, 3 germ
layers, well developed coelom, complete digestive system
In most vertebrates, the endostyle will eventually become the _______________. - Answer-thyroid
gland
What will the pharyngeal pouches become in both terrestrial & aquatic vertebrates? - Answer-
Eustachian tubes, middle ear cavity, tonsils, parathyroid glands
In most vertebrates, the dorsal, nerve cord will eventually become _________________. - Answer-spinal
cord
,In vertebrates, the anterior end of the nerve cord enlarges & becomes this structure _____________ -
Answer-brain
What 2 things is the vertebrate endoskeleton comprised of? - Answer-cartilage or bone, vertebrae
segmented body muscles - Answer-myomeres
cephalochordate myomeres - Answer-v shaped
vertebrate myomeres? - Answer-w shaped
List & know the jobs to the 3 parts of the tripartite brain - Answer-forebrain, midbrain, hindbrain
responsible for a variety of functions including receiving and processing sensory information, thinking,
perceiving, producing and understanding language, and controlling motor function - Answer-forebrain
connects the hindbrain and the forebrain, this region of the brain is involved in auditory and visual
responses as well as motor function - Answer-midbrain
extends from spinal cord, this region is responsible for balance and equilibrium as well as breathing,
heart rate and digestion - Answer-hindbrain
What evolved first fins or jaws? - Answer-fins
What 2 (great) lineages arose from reptiles? - Answer-mammals and dinosaurs
What does "urochordata" literally mean? - Answer-tail chordates
, What is a tunic and which animal has it? - Answer-a rough sac composed mainly of cellulose,
urochodates
What does cephalochordate literally mean? - Answer-both ends sharp
What does amphioxus literally mean? - Answer-both ends sharp
Our closest PHYLA relative(s) is/are ____________________. - Answer-echinoderms, hemichordates
Our closest VERTEBRATE ancestor is the __________________. - Answer-lancelet
refers to one or more individuals of the same species - Answer-fish
refers to more than one species - Answer-fishes
includes the most recent common ancestor of all members of a group and all descendants of that
ancestor - Answer-monophyletic
includes the most recent common ancestor of all members of a group and some but not all descendants
of that ancestor - Answer-paraphyletic
does not include the most recent common ancestor of all members of a group - Answer-polyphyletic
Which vertebrate group is the most diverse & successful? - Answer-fish
fine filaments of tissue rich in blood vessels - Answer-gills
the first opening (the blastopore) becomes the anus, while the other end becomes the mouth - Answer-
deuterstome
What phylum are vertebrates in? - Answer-chordata
What else are vertebrates known as? - Answer-the chordates
List & give examples of the 3 different subphyla of phylum Chordata - Answer-urochordata,
cephalochordata, vertebrata
List the 5 hallmark characteristics of chordates - Answer-bilateral symmetry, segmented body, 3 germ
layers, well developed coelom, complete digestive system
In most vertebrates, the endostyle will eventually become the _______________. - Answer-thyroid
gland
What will the pharyngeal pouches become in both terrestrial & aquatic vertebrates? - Answer-
Eustachian tubes, middle ear cavity, tonsils, parathyroid glands
In most vertebrates, the dorsal, nerve cord will eventually become _________________. - Answer-spinal
cord
,In vertebrates, the anterior end of the nerve cord enlarges & becomes this structure _____________ -
Answer-brain
What 2 things is the vertebrate endoskeleton comprised of? - Answer-cartilage or bone, vertebrae
segmented body muscles - Answer-myomeres
cephalochordate myomeres - Answer-v shaped
vertebrate myomeres? - Answer-w shaped
List & know the jobs to the 3 parts of the tripartite brain - Answer-forebrain, midbrain, hindbrain
responsible for a variety of functions including receiving and processing sensory information, thinking,
perceiving, producing and understanding language, and controlling motor function - Answer-forebrain
connects the hindbrain and the forebrain, this region of the brain is involved in auditory and visual
responses as well as motor function - Answer-midbrain
extends from spinal cord, this region is responsible for balance and equilibrium as well as breathing,
heart rate and digestion - Answer-hindbrain
What evolved first fins or jaws? - Answer-fins
What 2 (great) lineages arose from reptiles? - Answer-mammals and dinosaurs
What does "urochordata" literally mean? - Answer-tail chordates
, What is a tunic and which animal has it? - Answer-a rough sac composed mainly of cellulose,
urochodates
What does cephalochordate literally mean? - Answer-both ends sharp
What does amphioxus literally mean? - Answer-both ends sharp
Our closest PHYLA relative(s) is/are ____________________. - Answer-echinoderms, hemichordates
Our closest VERTEBRATE ancestor is the __________________. - Answer-lancelet
refers to one or more individuals of the same species - Answer-fish
refers to more than one species - Answer-fishes
includes the most recent common ancestor of all members of a group and all descendants of that
ancestor - Answer-monophyletic
includes the most recent common ancestor of all members of a group and some but not all descendants
of that ancestor - Answer-paraphyletic
does not include the most recent common ancestor of all members of a group - Answer-polyphyletic
Which vertebrate group is the most diverse & successful? - Answer-fish
fine filaments of tissue rich in blood vessels - Answer-gills
