Exam 22: The Land Plants

Which would create a more acute dietary shortage for human beings: the loss of monocot crops or the loss of dicot crops?

Which of the following is considered most closely related to land plants?  

Which statement concerning fertilization in ferns is true?  

Four of the following plants are monocots.Which one is the exception?  

Which specialization evolved in land plants to allow for reproduction in dry conditions?  

-Which of the photographs in the above figure is a gymnosperm?  

Choose the most appropriate response. -Conifers

Which gymnosperm is deciduous and widely planted in cities because of its resistance to insect predators,air pollution,and disease?  

Features that contributed to success on land include a(n)__________ that protects spores.

Conifers,cycads,ginkgos,and gnetophytes are all ______.

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

Choose the most appropriate response. -Ferns

Choose the most appropriate response. -Angiosperm

-In the accompanying figure,which of the following represents a multicellular,haploid reproductive stage?  

Why does a sporophyte-dominant stage allow for greater diversity?

Ferns,roots,and fronds grow from __________.

A sorus is ____.  

Plants lacking xylem and phloem are known as _________.  

Answer the following questions in reference to the five divisions of vascular plants listed below. -Members of this group are heterosporous with well-developed seed and pollen-bearing cones.

In conifers,meiosis of diploid cells in an ovule produces ____.