It refers to the number of different species
Answer:
B.) any infectious disease...
Explanation:
In a normal diet the 50-55% of the total calories should come from carbohydrates
1. rise of angiosperms
2. rise of chemoautotrophs and photoautrophs
3. rise of multicellularity
4. rise of bryophytes
5. rise of gymnosperms
6. rise of eukaryotes
7. rise of cyanobacteria