Anonymous
anonymous 3 years ago
sue lives in a coastal location. every year she enjoys surfing from november to february. she never goes surfing from may to august. which of these statements best explains sue's behavior?

from may to august, the ocean water is more dense.

from may to august, the beaches are warm and sunny.

from november to february, the tides take water further offshore.

from november to february, strong winds create high, steady ocean waves.
biology

Which of the following sex and generation combinations directly produces the pollen tube of angiosperms? a) male gametophyteb) female gametophytec) male sporophyted) female sporophyte

Which could be a pathway of food through an ecosystem

According to the rna world hypothesis, rna acted as the genetic material and catalyzed reactions in ancient cells. what conclusion can you draw from this?               a.  this implies that dna and proteins aren't essential in cells today.    b.  this implies that rna can catalyze any chemical reaction that enzymes catalyze.    c.  this implies that if a cell has a problem with its dna, its rna can compensate for the damaged dna.    d.  this implies that dna and proteins evolved after rna.