The presence of wastes, such as plastic bags and motor oil, in lakes and streams miles away from developed areas, suggests that
a) ecosystems are interconnected and human action can alter ecosystem equilibrium
b) recycling programs have failed to conserve biotic resources
c) natural processes can alter ecosystem stability
d) direct harvesting practices have led to irreversible destruction of ecosystems

Of your good in bio kusing a series of preliminary observations; pstate a problem developed from these observations, formulate a hypothesis, design an experiment to test the hypothesis

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

While washing her hair olivia noticed that she was losing a lot of hair she visited a clinic and the physician reassured her that her hair would grow back how do you think olivias hair will grow back