Female Anolis distinguish males of their species by the color of their dewlap, a colorful flap of skin in the neck region. This is an example of
A. hybrid inviability.
B. a postzygotic isolating mechanism.
C. temporal isolation.
D. a prezygotic isolating mechanism.
Answer: D
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The surface area of a plant's root system is substantially larger than the surface area of its shoot system. The extensive surface area of roots is an adaptation associated with _____
A) contact with soil particles for mineral and water absorption B) the internal structure of the vascular tissue in roots C) the storage of nutrients within the root system D) the release of carbon dioxide generated by photosynthesis
What is the difference between an organism being piezophilic and piezotolerant?
What will be an ideal response?
Which of the following is produced by adding 1% to 5% agar to nutrient broth that is then boiled and cooled?
A. A contaminated medium B. A liquid medium C. A pure culture D. A mixed culture E. A solid medium
Genomics is the study of ________.
A. the information content of genomes B. the gene products that genomes encode C. the molecular organization of genomes D. All of the choices are correct.