Nearly half the earths valuable mineral deposits are found in rocks from?

List three sources of air pollution people cause.

A scientist is examining an organism that feeds on decaying matter to gain energy for survival. What kingdom would be the best option when classifying this organism? Animalia Archaea Fungi Plantae

Why is there less genetic variation among humans than among other species? A. Human ancestral lineages are relatively young compared with other species. B. Human ancestral lineages are relatively old compared with other species. C.

Four million years ago, horses were rather small compared to today's horses and had relatively stocky bodies with a straight shoulder and thick neck. This statement is an illustration of which biological concept

Which of the following is a node that you would expect to find on the cladogram for animals? A - fur texture B - deuterostome development C - feather arrangement D - leg length

What is the function of Placenta? During which stage is it completely formed? & How will the fetus body temperature be regulated after birth? During which stage does this method of regulation develop?

How are karyotypes used to determine the presence of genetically inherited chromosomal disorders?

Arrange these energy sources from highest to lowest percentage of worldwide use. 1. Petroleum 2. Nuclear power 3. Wind power

Which of the following is a species? a. A monophyletic group of beetles who share a common ancestor and can be distinguished from the most closely related group of beetles b.

What other questions do you have about formation of earth's surface features.