B Nature selection for traits the allow for increased rates of reproduction and survival over traits that don't, is correct.
A is also correct
In the Northern Hemisphere, winter generally begins on December 21 or 22. This is the winter solstice, the day of the year with the shortest period of daylight. Summer begins on June 20 or 21, the summer solstice, which has the most daylight of any day in the year. Spring and fall, or autumn, begin on equinoxes, days that have equal amounts of daylight and darkness. The vernal, or spring, equinox falls on March 20 or 21, and the autumnal equinox is on September 22 or 23.
Answer:
A they break down glucose moleculws
Answer:
population is the right answer.
Its most likely B because its Skeleton is its structure (?)
