Major subdivisions of the biosphere are called?
a. niches
b. habitats
c. climate zones
d. biomes

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?

During convection, less dense fluid rises and denser fluid sinks.

Alexa is preparing for a presentation by creating note cards identifying keywords that describe various features of each type of plate boundary. which words apply to all three of the convergent boundaries?