Astudent made a model of a closed ecosystem in a bottle like the one
shown. then the student hypothesized that the water cycle will take place in
the model ecosystem.
which evidence can the student collect to support her hypothesis?

a. she can visually count the number of rocks in the bottle
b. she can observe precipitation in her neighborhood every day
c. she can add a new plant to the plastic bottle every day
d. she can observe condensation on the inside of the bottle

Which of the following is most important in making the typical seed more resistant to adverse conditions than the typical spore? a) a different type of sporopollenin b) an internal reservoir of liquid water c) integument(s) d) ability to be dispersed e) waxy cuticle

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

Which measure of an earthquake depends on how close you are to the focus?