Which part of a lake is most likely to have no photosynthesis?
a. littoral zone
b. biotic zone
c. benthic zone
d. limnetic zone

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

Why is the theory of evolution important? it disproves all other theories about how life began. it provides a topic for debate. it is a unifying concept in biology. it explains how life began. i know for sure, it is not "it is a unifying concept in biology."

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities