In an experiment a scientist is testing to see if different sized jars affect the length of time a candle will burn. What is the independent variable of
this experiment?

A. size of jar

B. shape of jar

C. type of candle

D. length of time candle burns

sexual reproduction produces offspring with novel combinations of genes. species that reproduce sexually must maintain two different types of individuals, males and females, which can limit the ability to colonize new habitats as both sexes must be present.

above statement is not a true statement about the open ocean because the open ocean has low levels of nutrients. most of the photosynthetic activity on earth occurs in the open ocean within the photic zone. organisms in the deep ocean are exposed to frigid temperatures and total darkness but it does not begin at the low-tide mark.