Exam 28: Mammals

The adaptive diversification of early mammals was due to

The fur of mammals

A species of North American mammal that makes mass migrations of several hundred miles between the boreal forests and the tundra is the ___________. or barren-ground caribou

The only mammals having true flight are the __________ or Chiroptera.

In mammals,estrus is the time when the animals are

The red blood cells of mammals typically lack a __________.

White fur of winter animals is due to

The multi-chambered stomach of some grazing animals is called the ________________.

Which is NOT a correct association of mammalian glands and functions?

Explain why the mammalian lineage,alive and well during the "reign of the dinosaurs," may have been evolutionarily "depressed" in the ecological sense of the word.

During their annual growth,antlers develop beneath a covering of highly vascular skin called ___________.

Which is NOT a mammal strategy for mammalian herbivores digesting cellulose?

Compare the morphology and likely physiology of pelycosaurs and therapsids.

Explain how density independent and density dependent factors differ in their effects on mammalian populations.

With the evolution of a new jaw joint between the dentary and squamosal (temporal)bones in mammals,bones of the previous jaw joint,the articular and quadrate continued their gradual reduction in size and became relocated.Identify what these two bones became.

Which is missing from this list: incisors,molars,canines and ___________?

How does a home range differ from a territory? What is the ecological significance of these two terms?

Give evidence that suggests that a chorioallantoic placenta was present in the common ancestor of marsupials and placental mammals,but later was lost in most marsupials.

Animals such as mammals that maintain a high body temperature by an internal heat source are called ____________. or endothermic

Hair is produced by the ___________ layer of the skin. or epidermis