Topics 1-6

___ is an example of a sexually selected trait in passerine birds.

The introduced Nile monitor in FL may possibly become a threat to native ___.

Denitrification is the conversion of ___ to N2

The development of young from unfertilized eggs is called ____.

Salamanders reach their highest diversity in ___.

The Platyhelminthes are the ___.

Darwin found fossils of ___ at high elevations in the Andes, suggesting that the earth has changed over time.

Rhizobium is an example of a ____ that plays a role in nitrogen fixation.

____ was the first period of the Cenozoic.

Most scientists think the earth is ___ years old

Diving ducks mostly feed on ____.

Only species of vertebrates have ___.

There are about ___ species of birds in the world.

In the Protosome line, the blastopore becomes the ____.

Water moves through soil to the groundwater by the process of ____.

The term "plastron" refers to part of a turtle's ___.

Multicellularity might have evolved from coloniality.

Darwin observed that there were no ___ on oceanic islands.

The ___ were African ratites introduced to Australia.

The Anhinga or snake bird is actually in the same order as the

Protenoid spheres could have evolved via ___.

___ is a deadly poison produced by some mushrooms.

Both mitochondria and chloroplasts have two membranes

there are __ species of Kiwi

Redi's experiment involved denying ___ access to decaying meat.

Class _____ has the greatest number of vertebrae species.

The ___ is an example of a herbivorous lizard.

Of the ratites only the ____ has just two toes.

There are roughly __ species of salamanders.

Ratite birds are characterized by having a ___.

____ are an example of a dabbling duck.

Darwins theory of natural selection assumes that ____.

The ____ is the largest species of sea turtle.

Cone-nosed toads are adapted for burrowing.

In FL, alligators are hunted recreationally.

a true coelom is not seen in ___.

Swans and Geese tend to be plumage _____.

The ____ anole is a common species introduced to FL.

In the mid- nineteenth century people mostly believed that species were ____.

The ___ are long tailed and short winged acrobatic fliers that mostly feed on birds.

Pythons differ from boas in that boas are ___.

____ lizards feed on eggs, small mammals and birds.

Prokaryotic cells contain ___.

According to Darwin's theory a bat's wing is homologous with a ____.

Dabbling Ducks characteristically feed in ____ .

The eye-lash viper has a ____ between the eye and nostril.

The tropics may harbor more species with a narrower niches than temperate species.

The ____ is one species of bird with a keen sense of smell.

All chordate characteristics are seen throughout the lives of an individual.

The ___ has claws on its wings to help it climb through vegetation.