BIOL 2251 Exam 3 – Questions With Fully Explained Solutions

BIOL 2251 Exam 3 – Questions With Fully Explained
Solutions

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Which of the following is not a derived character of aminotes?
1. Amniotic egg
1 2. Positive pressure breathing
3. Stronger jaws
4. Thicker, waterproof skin



Over the course of evolution arthropod appendages have become specialized for many
functions, except:
1. flight
2
2. reproduction
3. feeding
4. defense



3 The endoskeleton of arthropods is made of proteins and chitin



Amniotes that draw in (aspiration) by expanding thoracic cavity using rib muscles and
4
some using also the diaphragm is called

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Terms in this set (39)


Which of the following is Positive pressure breathing
not a derived character of
aminotes?
1. Amniotic egg
2. Positive pressure
breathing
3. Stronger jaws
4. Thicker, waterproof skin

An obligate air breather Relies only on lungs for respiration
1. is poisoned by oxygen
2. relies only on gills for
respiration
3. relies on both gills and
lungs for respiration
4. relies only on lungs for
respiration

Endocyte Secretes mucous and its derivative are the thyroid
1. secretes mucous and its glands
derivative are the thyroid
glands
2. primitive form of
cartilage
3. supports the body
4. anterior end enlarges
and forms the brain in
vertebrates

Mudskippers have the skin; mouth
ability to breathe through
their ___ and the lining of
their ______

Amniotes that draw in Negative pressure breathing
(aspiration) by expanding
thoracic cavity using rib
muscles and some using
also the diaphragm is
called