Part 2: Khan Academy 2. Using the EVR text, the HHMI video in the TED-ED exercise, and the info in Khan Academy on Biodiversity and Natural Selection, develop answers for the following questions:
a) Using the Redwood Trees example (Biodiversity and Natural Selection Khan Academy video), DESCRIBE in your own words how the biodiversity of an ecosystem is a response to environmental factors.
b) SUMMARIZE the three main factors that contribute to biodiversity presented at the end of the video
c) Explain the process of Natural Selection in one of the Khan Academy multiple choice answers using evidence from the narrative and your selected answer

answer; i believe that the correct answer is (lung);

c. heat from the poles back down towards the equator.

answer: grassland biomes are closer to the equator and receive more rain.

grasslands are biomes that are dominated by grasses rather shrubs and trees. savanna are biomes that exhibit grasses, shrubs and small tree as vegetation. grasslands are located near the equator of the earth. these are found in north america. savanna biomes are found in africa, south america, australia and india. grassland exhibit moderate climatic conditions, it receives   amount of rainfall higher than savanna.   therefore, savanna exhibit dry and hot climatic conditions.