Birds evolved directly from:

A) dinosaurs

B) mammals

C) amphibians

D) fish

Is a T cell a white blood cell

The heart is an example of which level of organization within an organism?

What is one issue you think has arisen concerning the process of primordial germ line isolation? How do you feel about it?

What step occurs within an inflammatory response

Which of the following is an example of sustainable use of natural resources? a) continuously strip mining coal deposits in an area b) clear-cutting a forest c) harvesting huge populations of fish from a fishing shoal d) planting multiple crops

which term refers to the structure that forms the surface of a cell separeting its conctents from the outside world

Who explored Texas, New Mexico, and Arizona in 1528, while lost for nine years? A) Hernando de Soto B) Francisco Vasquez de Coronado C) Cabeza de Vaca D) Juan Ponce de Leon

The part of the livestock female reproductive system that is between the infundibulum and the uterus and is also called the fallopian tube is the:

Is it better to have more saturated fat or unsaturated fat in your diet

What characteristics do all animals share?