Which of the following is NOT true about
cyanobacteria?
a. Cyanobacteria have the same lightcapturing
chlorophylls as plants.
b. Chloroplasts evolved from ancient
cyanobacteria.
c. Cyanobacteria can fix carbon.
d. Cyanobacteria can fix nitrogen.
e. Cyanobacteria put nearly all of the nitrogen
into Earth’s atmosphere
E
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A fully functional corpus luteum secretes ____
a. LH and FSH b. estrogens and progesterone c. GnRH and estrogens d. estrogens and FSH e. progesterone and LH
Dieldrin was a chlorinated hydrocarbon insecticide that was remarkably useful against termites because it did not seem to degrade when applied to wood. What issue would you expect with its use?
A) biological magnification B) expressive toxicity C) chlorination D) decomposition
Bart has just burned his tongue on that hot soup! He is afraid he won't be able to taste anything for the rest of his life. What can you tell him?
What will be an ideal response?
Drosophila biologists often diagnose species by crossing individuals from different populations. Implicit in this method is the:
a. evolutionary species concept. c. phylogenetic species concept. b. phenetic species concept. d. biological species concept.