Refer to the article on Angiosperm Radiation in the Lecture 7 Folder 9. How does the growth rate of angiosperms (in gene

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Refer to the article on Angiosperm Radiation in the Lecture7 Folder
9. How does the growth rate of angiosperms (in general) compareto that of gymnosperms? [1]
10. Explain why the appearance of angiosperms was puzzling forbiologists who discovered them. [1]
11. According to the article, angiosperms began to thrivein disturbed sites. Describe how the authorssuggest forests of this time period could have become disturbed.[1]
12. In a positive feedback system, something is able to benefititself in a cycle that ends up in a sort of “snowball effect.”Explain how the authors suggest soil nutrition could have been apositive feedback system that helped angiosperms radiate. [1]