-
A new species of aquatic vertebrate is discovered that
closely resembles an acient form. It has the following characteristic “armor”
of bony plates, no paired fins, a filter feeding mode of attrition. In addition
to these characteristics, it will have which of the following
No jaws
-
The jaws of vertebrates were derived by modification of?
-
Vertebrates and tunicates share:
- -
- A notochord and a hollow, dorsal nerve cord
-
The fact that among some ancestral vertebrates, the
tunicates never leave the larval stage although they are sexually mature is
called:
-
Internal fertilization is a characteristic of which group of
fishes?
chondrichthyes
-
Which extraembyronic membrane of an amniote egg has blood
vessels for respiration and hold nitrogenous waste
allantois
-
Archosauria is the tazonomic group that unites:
-
This character unites all living tetrapods
-
Which of the following are the likely causes of the late
cretaceous extinction of dinos
- bollide
- or asteroid impact
-
Tadpoles excrete nitrogenous waste in the form of?
-ammonia
-
What skeletal muscle contracts, actin and myosin molecules?
-
The most common lever system in the body is:
-
A running animal tries to maximize
-
What happened during gastrulation?
- -
- Massive movements of cells make the primary exes
- visible and organize into the 3 embyronic tissues
-
In animals, which adult tissues are derived from ectroderm?
skin
-
Which of the following is an adaptation for brachiation?
-
What happens during cleavage?
- the
- fertilized egg divides without growth occurring, forming a mass of cells
-
Which of the following is true of innate behaviors:
Which of the following is true of innate behaviors:
-
The core idea of sociobiology is that:
- Much
- human behavior evolved by natural selection
-
Nitrogenous waste in birds is excreted in the form of:
-
The movement of air over the curved surface of a wing is
called:
lift
-
Altruistic behavior:
- could
- help the survival of close relatives
-
Ecological similarities in the marsupial mole and the
placental mole are called
convergences
-
Afrotheria include all of the following except:
whales
-
Mammals excrete nitrogenous waste in the form of:
urine
-
2 of the 3 mammalian middle ear bones originated from:
- upper
- and lower jaw bones of reptiles
-
What is the process by which blood is forced into the
cup-shape portion of the nephron?
-filtration
-
Which 2 groups of organisms combined have the greatest
number of species?
- insects
- and flowering plants
-
Which of the following is a fossil fuel?
-
The closest relatives of humans are:
apes
-
Human population is currently:
-
Which of the following was not an important step in human
evolution?
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