Chapter 22 Review

The green structure in the diagram is called

A. An embryo

Which variable(s) should the students have held constant?

A. Plant type

What stage in the alteration of generations is represented by fern fronds?

A. Sporophyte

Recent changes in the classification of the plant kingdom are based on

A. Studies comparing DNA sequences

Which of the following is NOT a characteristic of plants?

B. Cell walls containing chitin

Which of the following is a structure associated with gymnosperms?

B. Cone

The leaves of ferns are called

B. Fronds

The first land plants likely evolved from

B. Green algae

Plants cultivated for food are mostly

C. Angiosperms

What is the independent variable?

B. Temperature

What can you conclude based on the data?

B. There is an optimum temperature for the photosynthesis in this species of conifer

A plant that has a two-year life cycle is a

C. Biennial

Under unfavorable conditions, the green alga chlamydomonas reproduces by forming a

C. Diploid zygote

In angiosperms, the mature seed is surrounded by a structure called a

C. Fruit

The mature plant ovary is also referred to as the

C. Fruit

Two gases that plants must exchange are

C. Oxygen and carbon dioxide

Which of the following is NOT a characteristic of dicots?

C. Parallel veins

The male reproductive structures of seed plants are called

C. Pollen grains

Which of the following is a basic requirement of plants?

D. All of the above

The structures on a pine tree that contain the gametophytes are

D. Cones

All of the following are characteristics of gymnosperms EXCEPT

D. Flowers

The dominant stage of a moss is the

D. Gametophyte

Water is carried upward from the roots to every part of a vascular plant by

D. Xylem