In 1906, president theodore roosevelt created the grand canyon national game preserve on the kaibab plateau in northern arizona. between 1907 and 1923, cattle grazing was greatly reduced, mule deer hunting was eliminated, and predators were killed. over 800 cougars, 20 wolves (most had already been killed in the 1800s), and 7000 coyotes were trapped or shot. in response, the mule deer herd began to increase: by 1915, deer numbers were estimated at 25,000; 50,000 by 1920; and 100,000 by 1923.
the initial population of kaibab deer in 1906 was about 4000. in an area of about 800,000 acres, this works out to an average density of one deer per 200 acres. what was the density in 1923?

On a recent expedition to a remote region of northern canada, scientists uncovered skeletal remains from about 100,000 years ago. surprisingly, all the skeletal remains, which included many species from differing biological families and spanned about two thousand years, showed evidence of experiencing temperatures in excess of 1000 degrees fahrenheit (or 538 degrees celsius). which of the following, if true, best explains the apparent paradox between the cold environment and the evidence of the bones experiencing hot temperatures? (a) chemical changes that naturally occur during the process of decay in only one north canadian species produce the same evidence of the species' skeletons being exposed to hot temperatures as the expedition scientists found. (b) a little over 103,000 years ago, a large fire is known to have occurred in northern canada. (c) strong evidence exists that as early as 70,000 years ago, homo sapiens around the world relied heavily on fire to cook animals. (d) in the same expedition and in roughly the same layer of excavation, scientists found rudimentary wood cutting and hunting tools used by early humans.

Drag each label to the correct location on the table. each label can be used more than once. decide whether each statement describes saturated fat, unsaturated fat, or both saturated and unsaturated fats.

What occurs to the cell during mitosis