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Biodiversity Exam 3
the actual thing
Terms in this set (50)
Which of the following regulates amphibian metamorphosis?
Thyroxine from the thyroid gland
Examination of the fossils of Tiktaalik reveals that, in common with extant fish, it had...
What is the correct sequence of structures that comprise the water vascular system in sea stars (from entrance to last structure)?
1. radial canal
2. ring canal
3. stone canal
5. tube feet
(4,3,2,1,5) madreporite, stone canal, ring canal, radial canal, tube feet
Gnathostomes are vertebrates that have..., which is/are not present in lampreys and hagfishes.
small pincer-like projections clustered on the skin of a sea star which serve to keep it clean of parasites and algal growth
Formed by neuromasts and detects water currents and vibrations.
lateral line system
What is the name fo the extraembryonic membrane found in an amniotic egg that aids in gas exchange between embryo and air?
Modification of the pharyngeal slits for use in respiration occured in early...
fish with the development of gills
skull has two temporal openings
The sequence of Eusthenopteron, Acanthostega, and Ichthyostega fossils show a progression in which of these?
The term 'tetrapods'...
includes the amphibians and amniotes
secretes mucous and its derivative are the thyroid glands
There are more species of vertebrates than there are species of insects.
Extraembryonic membrane that forms a sac for disposal of metabolic wastes by the embryo.
Which of the following is not a derived character of amniotes?
positive pressure breathing
The evolutionary innovations of amphibians for life on land include which of the following?
lungs and limbs
First jawed vertebrates with no true teeth...
Non-teleost neopterygians representatives are the...
gars and bowfins
Which of the following is not a fish characteristic?
Early tetrapod with stronger backbones, fully formed tetrapod limbs, fully developed shoulder girdles, complete pelvis and must have been able to walk on land.
What is the process in which the male frog grasps a female, in order to be present for external fertilization?
Examination of the fossils of Tiktaalik reveals that, in common with extant tetrapods, it had...
neck and flat skull
A trait first observed in the evolution of the earliest tetrapods was...
Mudskippers have the ability to breathe through their...and the lining of their...
skin ; mouth
The gills of bony fishes are covered with a movable flap called the...
Fish fin used for balance, staying upright and in some fishes can provide some protection against predation.
The larvae of echinoderms have...symmetry.
Which of the following is the most diverse fish group with approximately 31,000 species?
Which of the following is not considered a major threat for the Texas horned lizard?
An obligate air breather...
relies only on lungs for respiration
Nonavian reptiles are different from amphibians in that reptiles possess which of the following?
a shelled egg that can be laid on dry land
The lungs of lungfishes are homologous to the lungs of tetrapods.
The fossil record of echinderms...
indicates that early echinoderms had a bilateral ancestor
Key adaptation to life on land that reduced the dependence of tetrapods on an aquatic environment for reproduction.
Structure that arose by the modification of the first two gill arches.
The...period is the 'age of fishes'.
The age of Reptiles consisted of the...
Triassic, Jurassic, and Cretaceous
Memebers of Chondrichthyes differ from members of Osteichthyes by having....
have a stomochord that is not homologous to the notochord in chordates
Amniotes that draw air in (aspiration) by expanding thoracic cavity using rib muscles and some using also the diaphragm is called...
negative pressure breathing
The nonavian reptile scale is...
all of the choices are correct (an important protective surface, mostly made of beta keratin, derived from epidermis)
Adult tunicates retain only two of the five key chordate features. Which ones?
pharyngeal slits and endostyle
We don't find the eggs of garte snakes, rattlesnakes, and copperheads because they retain the eggs internally. Their young appear to be born alive, but actually hatch inside inside the female. These snakes are...
Based on DNA analysis and Hox genes hemichordates are more closely related to chordates than to echinoderms.
The scales of nonavian reptiles are derived from the...
Unique characteristics of echinoderms include all of the following except...
marine, freshwater, and terrestrial species
Diamond shaped scales found in non-teleost fishes (e.g. gars) and that are formed by a layer of enamel on the upper surface and bone on the lower surface.
Early amniote in which skull has two openings on each of the temporal regions.
Notochord is a primitive type of cartilage and it is made of glycoproteins and a case of collagen.
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