If a species is absent from a particular region, which are the reasonable explanations for its absence? Check all that apply.
A. It evolved elsewhere and never dispersed to the region in question.
B. It was once found in the region in question, but was eradicated by humans.
C. It was once found in the region in question, but became extinct there due to climactic changes.
D. It was once found in the region in question, but migrated to other regions
Ans: A, B, C, D.
A. It evolved elsewhere and never dispersed to the region in question.
B. It was once found in the region in question, but was eradicated by humans.
C. It was once found in the region in question, but became extinct there due to climactic changes.
D. It was once found in the region in question, but migrated to other regions
You might also like to view...
Which one of the following is the outer layer of gray matter found in the cerebrum?
A. cerebral cortex B. central sulcus C. limbic system D. temporal lobe
Which of the following is TRUE of the citric acid cycle?
A. It yields most of the NAD+ in cell respiration. B. It produces oxygen. C. It yields ATP, NADH, and FADH2 as energy intermediates. D. It occurs on the inner membrane of the mitochondria. E. It produces ATP as the primary energy intermediate.
Mycobacterium tuberculosis is able to persist and be spread in aerosols due to its ability to produce endospores
Indicate whether the statement is true or false
How does the cell construct proteins from RNA sequences?
a. transcription b. hydrogen bonds c. splicing d. translation e. crossing-over