A water repellent protein that divides into hard and soft types.

Why do you think the puppy litter was all dark-haired?

This is one of the five kingdoms in the older biological succession. organisms in this kingdom are prokaryotic

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen