Answer the following questions true (T) or false (F)
1. Ecological dominants are typically the top predators in a community.
2. A community is a more inclusive category than a population.
3. Communities with the most biodiversity are found in areas with low geographic diversity.
1. FALSE
2. TRUE
3. FALSE
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In the current form of dideoxy DNA sequencing, the primer is unlabeled and each dideoxynucleotide is labeled with a different fluorescent marker. This method _____
A) eliminates the need to run sequencing reaction products on a gel B) allows a DNA sequence to be determined from four separate sequencing reactions, each run on a separate lane of a gel C) allows a DNA sequence to be determined from one sequencing reaction that is run on a single lane of a gel D) eliminates the need for sophisticated machines to read the output of each sequencing reaction
Substance P activates chemoreceptors
Indicate whether the statement is true or false.
Which is NOT true about gene mutations?
a. All are transmitted to the next generation. b. They are rare but their rates can be predicted. c. Those with beneficial effects will be favored by natural selection. d. Many reduce an individual's chance of surviving and reproducing. e. Those with neutral effects neither help nor hurt the individual.
Many sponges produce both eggs and sperm and thus are
a. monoecious. b. dioecious. c. hermaphroditic. d. both a and c.