Place the following events in chronological order to show how speciation can occur. 1 populations of the same species become geographically isolated from one another. 2 populations experience adaptation, accumulating significant differences in their genetic material over time. 3 populations are no longer able to successfully breed with one another. 4 populations face different selective pressures in their unique environments. write them in number like ex: 2431i need

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.

Use the above pedigree for questions 1,2, and 3 1. what kind of genetic disorder is represented in the pedigree? a. recessive b. dominate refer to the pedigree in question 1. 2. is the mutated gene in this disorder located on a sex chromosome (x or y) or an autosome? a. sex chromosome b. autosome refer to the pedigree in question 1. 3. which generation has individuals that you are certain are heterozygous for the mutated gene? a. generation 1 b. generation 2 c. generation 3

Explain why autonomous underwater explorers (aue) will provide entirely new kinds of information about ocean processes