TRAIT SPECIESABCDE101111200111310101401111500001610101 The table shows the distribution of traits (A-E) in six extant species (1-6). A "0" indicates the ancestral condition, and a "1" indicates the derived condition. Which species has the greatest number of ancestral character states (pleisiomorphies)?
A. 1
B. 2
C. 3
D. 4
E. 5
Answer: E
You might also like to view...
How might a plant cope with the fact that the Calvin cycle uses more ATP than NADPH, yet produces roughly the same amount of both energy intermediates in photosystems I and II?
A. Photosynthesis can revert from a noncyclic to cyclic electron flow. B. More pigment can be rapidly layed down for greater photosynthetic capacity. C. Plants often increase the amount of NADP reductase. D. Electron flow rate can be increased. E. Increase the electrochemical gradient for H+ across the thylakoid membrane.
Which of the following types of interactions is advantageous for one species, but has a negative effect
on the other?
a. predation b. herbivory c. mutualism d. parasitism e. predation, herbivory and parasitism
Reservoirs include ________.
A. animals B. soil C. water D. humans E. All of the choices are correct.
For the first few days after birth, the mammary glands produce a pale fluid rich in proteins, antibodies, minerals, and
vitamin A known as ____. a. lanugo b. meconium c. colostrum d. surfactant e. premilk