What explains the coloration of giant kelp?
A. It is the result of waste products stored in the tissues.
B. It warns grazers of their toxic properties.
C. It facilitates absorption of the blue-green light prevalent in their environment.
D. It facilitates absorption of the brown light prevalent in their environment.
E. It camouflages them from grazers.
Answer: C
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Which of the following is a component of the spore—or zygote—wall (in mosses, ferns, gymnosperms, and angiosperms) and helps prevent the desiccation of these structures?
A. sporangium B. sporopollenin C. chitin D. peptidoglycan E. sporangia
A derived character that is shared by all members of a clade is called a ______________ of that clade.
Fill in the blank(s) with the appropriate word(s).
If a codon in the mRNA is 5’-ACG-3’, then the anticodon of the proper tRNA will be ____
a. 5’-UGC-3’ b. 5’-CGU-3’ c. 5’-CGT-3’ d. 5’-TGC-3’ e. 5’-GCA-3’
What is the difference between chemical evolution and biological evolution?
What will be an ideal response?