Which of the following is not a prezygotic isolating mechanism for two species found in the same geographical location?
A. The two species occupy different habitats.
B. The two species are active during different parts of the day.
C. The two species mate during different times of the year.
D. The two species have incompatible genitalia.
E. The two species can mate, but the offspring are sterile.
Ans: E. The two species can mate, but the offspring are sterile.
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The foregut includes (select all correct choices):
A. the mouth. B. the esophagus. C. the stomach or crop. D. the small intestine. E. the large intestine.
What is the difference between hypothesis testing and discovery-based research?
A. Hypothesis can be validated or invalidated while discovery-based research relies more on collection and analysis of data without a hypothesis B. Discovery-based science can be validated or invalidated while hypothesis based research relies more on collection and analysis of data C. There is only one type of experimental approach, both terms describe the same approach. D. Hypothesis-based research results in believable science while discovery-based research results in unreliable conclusions.
What is the structure of telomeres?
A) short, repetitive DNA sequences found at the ends of linear eukaryotic chromosomes B) long, repetitive DNA sequences found at the ends of linear eukaryotic chromosomes C) short, repetitive DNA sequences found at the ends of linear prokaryotic chromosomes D) long, unique DNA sequences found at the ends of linear eukaryotic chromosomes
Similar orders are placed in the same class
__________________ Indicate whether the statement is true or false.