Course

Introductory Biology

Study Pack

Set 22 The Land Plants

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Question 1

(Multiple Choice)

Free
     -In the accompanying figure,which phase makes up most of the plant body of angiosperms?   A) 1 B) 2 C) 3 D) 4 E) 5

-In the accompanying figure,which phase makes up most of the plant body of angiosperms?  

A) 1
B) 2
C) 3
D) 4
E) 5

Answer

Question 2

(Multiple Choice)

Free
A significant event influencing the rapid evolution of plants on land after their initial appearance was the ____.  

A) increase of atmospheric oxygen
B) reduction of ultraviolet radiation penetration through the atmosphere
C) stabilization of global climates
D) increase in soil nutrients
E) merging of land masses

Answer

Question 3

(Multiple Choice)

Free
A key innovation that helped sporophyte-dominant plants survive in high,dry environments is ____.  

A) flagellated sperm
B) the cuticle
C) xylem
D) phloem
E) lignin

Answer