Science is best defined as ________ .
a. a verifiable explanation of a natural phenomenon
b. the systematic study of the observable world
c. the study of the origin and composition of life
d. the process of testing data before accepting it as valid
e. inquiry-based reasoning of the hidden world
b. the systematic study of the observable world
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Using the figure Below, identify the labeled part.
1) Label A: ______________________________
2) Label B: ______________________________
3) Label C: ______________________________
4) Label D: ______________________________
5) Label E: ______________________________
6) Label F: ______________________________
7) Label G: ______________________________
8) Label H: ______________________________
9) Label I: ______________________________
10) Label J: ______________________________
11) Label K: ______________________________
12) Label L: ______________________________
13) Label M: ______________________________
14) Label N: ______________________________
15) Label O: ______________________________
16) Label P: ______________________________
17) Label Q: ______________________________
18) Label R: ______________________________
19) Label S: ______________________________
20) Label T: ______________________________
21) Label U: ______________________________
22) Label V: ______________________________
23) Label W: ______________________________
24) Label X: ______________________________
25) Label Y: ______________________________
26) Label Z: ______________________________
27) Label AA:______________________________
28) Label BB: ______________________________
29) Label CC: ______________________________
The part of a chlorophyll molecule that absorbs light energy is the porphyrin ring
__________________ Indicate whether the statement is true or false.
Courtship for Anolis lizards involves the male displaying a dewlap (skin under the throat area) that varies in appearance based upon the species. Lizards that are found in darker, more shaded environments will have dewlaps that are lighter in color because they are more noticeable by potential mates. Which of the following mechanisms best explains how speciation is at work in this example?
A. Genetic drift B. Postzygotic isolation C. Natural selection D. Reinforcement
Magnesium chloride is a salt formed with ionic bonds between one magnesium ion and two chloride ions. Magnesium has two electrons in its outer shell and chlorine has seven electrons in its outer shell. How are the electrons transferred between these atoms?
A. Both magnesium and chlorine are reduced. B. Magnesium is oxidized and chlorine is reduced. C. Both magnesium and chlorine are oxidized. D. Chlorine is oxidized and magnesium is reduced.