Which of the following scenarios would best facilitate adaptive radiation?
a. A population of birds native to an island archipelago is forced to relocate to the mainland by a storm.
b. A population of cheetahs goes through an event in which all genetic diversity in the population is wiped out.
c. Darker-colored moths have a selective advantage over lighter-colored moths due to industrial soot on trees.
d. A population of birds becomes stranded on an island archipelago.
e. All of the above
Ans: d. A population of birds becomes stranded on an island archipelago.
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Which of the following is not true of the Chloroplastida (green algae)?
A. Their cell walls contain chitin. B. They are found in fresh and salt water. C. They store carbohydrates as starch. D. They have chlorophylls a and b.
Which of the following is the most direct benefit of high-throughput Sanger sequencing?
A. Bases can be identified as soon as they are added to the template. B. RNA can be directly sequenced without first reverse transcribing it into DNA. C. An entire chromosome can be sequenced without disrupting it into smaller fragments. D. Many DNA samples can be sequenced simultaneously
Which of the following statements is NOT true?
A. Frogs and toads have external fertilization whereas salamanders and caecilians have internal fertilization. B. Frogs, toads, and most salamanders have four legs whereas caecilians are legless. C. Frogs, toads, and salamanders lay eggs whereas some caecilians lay eggs and others give birth to live young. D. Salamanders and caecilians have external tails whereas frogs and toads do not. E. Adult frogs, toads, and salamanders are predators on insects and other small animals whereas caecilians are herbivores.
Tonoplasts store salts, organic acids, sugars, storage proteins and pigments in plant cells
Indicate whether the statement is true or false.