BIO 112 Final Exam Questions and Verified Answers/Accurate Solutions| Already Graded A+
Which of the following is an INCORRECT match of structure and function? parapodia -
defense from enemies
If you find a flower part called a "stigma," then that same flower certainly has an ovary.
Match the following organisms with their type of symmetry. jelly fish A. Radial symmetry
squid B. Bilateral symmetry
Sea anemone A. Radial symmetry
planaria B. Bilateral symmetry
Mollusk shells are produced by the mantle.
Which of the following is the closest phylogenetically to the Annelida? Mollusca
In deuterostomes, the blastopore developed into the __________. anus
Where does meiosis occur in the pine life cycle? within a megasporangium
Why are adaptations such as floral color, scent, and nectar advantageous to a flowering plant
(in terms of individual fitness)? They result in successful delivery of pollen to a potential
mate with the least cost of energy to the individual plant.
Match the body cavity type to its proper description. Coelomate:
D. Has a body cavity completely lined by tissue from the mesoderm.
Pseudocoelomate:
,A. The mesoderm is not in contact with or supporting the endoderm.
Acoelomate:
B. Completely lacks a body cavity between the digestive cavity and outer body wall.
Coelem:
C. A fluid or air-filled space between the digestive tract and the outer body wall.
Ashe junipers in Texas (sometimes called "Texas cedars") make lots of pollen in the spring. Later
in the summer, they will bear numerous fleshy, dark blue "berries" that are eaten by birds.
These "berries" are not truly biological fruits because the junipers are gymnosperms.
produce fleshy cones.
are gymnosperms.
do not have ovaries.
are conifers.
Digestive organs, circulatory system, and nerve cords are completely absent in Porifera
During embryological development of chordates, the midline, dorsal layer of ectoderm folds in
on itself to form a hollow tube. This tube is the origin of the____________. nerve cord
A signal is transmitted from one neuron to the next neuron by means of neurotransmitters
In a cnidarian life cycle, medusae have gonads and produce gametes
polyps bud off from other polyps
medusae bud off from polyps
polyps grow from ciliated larvae
,The cell found in bone that breaks it down is called an ________ osteoclast
On the phylogenetic tree, animals are most closely related to opisthokonts called
choanoflagellates.
Gastrulation is a process that produces an endoderm germ layer.
Which terms belong together when describing animals? archenteron; gastrula
A tick is more close related phylogenetically to a ___________ than to a __________.
horseshoe crab; beetle
Which of the following animal phyla is LEAST LIKELY to have species that can be harmful to
humans? Rotifera
An ovule is a part of a plant that contains an egg.
The distinguishing feature of Annelida compared to Nematoda is ____________.
segmentation
Which of the following statements about common features of chordates is true?
I. The dorsal, hollow nerve cord is part of the chordate central nervous system
II. In vertebrate fishes, the pharyngeal slits become the gill arches
III. Humans are not chordates because they do not have a notochord
IV. The notochord above the nerve chord I & II
Which of these phyla is NOT in the Lophotrochozoan clade? Nematoda
, Pinworms, hookworms, and Trichinella spiralis (which causes trichinosis) are all unsegmented
ecdysozoan parasites in the same phylum. Therefore, they all have a pseudocoelom
The process of metamorphosis transforms a ______ into a ______________. larva; sexually
mature adult
Which of the following characteristics is NOT present in Phylum Echinodermata? larvae with
bilateral symmetry.
tube-feet.
endoskeleton.
true coelom.
Which of the following is TRUE for roundworms, earthworms, and slugs? Each has a
complete mouth-to-anus alimentary canal.
Sponges are called "basal metazoans" because their phylogenetic position is closest to the
common ancestor of all animals. What feature of sponges is visible evidence of the ancestral
relationship? choanocytes
Match the organism to their type of skeleton sand dollar:
B. Endoskeleton
Starfish
B. Endoskeleton
Beetle:
C. Exoskeleton
Clam:
Which of the following is an INCORRECT match of structure and function? parapodia -
defense from enemies
If you find a flower part called a "stigma," then that same flower certainly has an ovary.
Match the following organisms with their type of symmetry. jelly fish A. Radial symmetry
squid B. Bilateral symmetry
Sea anemone A. Radial symmetry
planaria B. Bilateral symmetry
Mollusk shells are produced by the mantle.
Which of the following is the closest phylogenetically to the Annelida? Mollusca
In deuterostomes, the blastopore developed into the __________. anus
Where does meiosis occur in the pine life cycle? within a megasporangium
Why are adaptations such as floral color, scent, and nectar advantageous to a flowering plant
(in terms of individual fitness)? They result in successful delivery of pollen to a potential
mate with the least cost of energy to the individual plant.
Match the body cavity type to its proper description. Coelomate:
D. Has a body cavity completely lined by tissue from the mesoderm.
Pseudocoelomate:
,A. The mesoderm is not in contact with or supporting the endoderm.
Acoelomate:
B. Completely lacks a body cavity between the digestive cavity and outer body wall.
Coelem:
C. A fluid or air-filled space between the digestive tract and the outer body wall.
Ashe junipers in Texas (sometimes called "Texas cedars") make lots of pollen in the spring. Later
in the summer, they will bear numerous fleshy, dark blue "berries" that are eaten by birds.
These "berries" are not truly biological fruits because the junipers are gymnosperms.
produce fleshy cones.
are gymnosperms.
do not have ovaries.
are conifers.
Digestive organs, circulatory system, and nerve cords are completely absent in Porifera
During embryological development of chordates, the midline, dorsal layer of ectoderm folds in
on itself to form a hollow tube. This tube is the origin of the____________. nerve cord
A signal is transmitted from one neuron to the next neuron by means of neurotransmitters
In a cnidarian life cycle, medusae have gonads and produce gametes
polyps bud off from other polyps
medusae bud off from polyps
polyps grow from ciliated larvae
,The cell found in bone that breaks it down is called an ________ osteoclast
On the phylogenetic tree, animals are most closely related to opisthokonts called
choanoflagellates.
Gastrulation is a process that produces an endoderm germ layer.
Which terms belong together when describing animals? archenteron; gastrula
A tick is more close related phylogenetically to a ___________ than to a __________.
horseshoe crab; beetle
Which of the following animal phyla is LEAST LIKELY to have species that can be harmful to
humans? Rotifera
An ovule is a part of a plant that contains an egg.
The distinguishing feature of Annelida compared to Nematoda is ____________.
segmentation
Which of the following statements about common features of chordates is true?
I. The dorsal, hollow nerve cord is part of the chordate central nervous system
II. In vertebrate fishes, the pharyngeal slits become the gill arches
III. Humans are not chordates because they do not have a notochord
IV. The notochord above the nerve chord I & II
Which of these phyla is NOT in the Lophotrochozoan clade? Nematoda
, Pinworms, hookworms, and Trichinella spiralis (which causes trichinosis) are all unsegmented
ecdysozoan parasites in the same phylum. Therefore, they all have a pseudocoelom
The process of metamorphosis transforms a ______ into a ______________. larva; sexually
mature adult
Which of the following characteristics is NOT present in Phylum Echinodermata? larvae with
bilateral symmetry.
tube-feet.
endoskeleton.
true coelom.
Which of the following is TRUE for roundworms, earthworms, and slugs? Each has a
complete mouth-to-anus alimentary canal.
Sponges are called "basal metazoans" because their phylogenetic position is closest to the
common ancestor of all animals. What feature of sponges is visible evidence of the ancestral
relationship? choanocytes
Match the organism to their type of skeleton sand dollar:
B. Endoskeleton
Starfish
B. Endoskeleton
Beetle:
C. Exoskeleton
Clam:
