W6 Ch.23 Definitions

Question 1

Sporophyte

Answer 1

Sporophyte is a diploid, multicellular spore-producing phase in the life cycle of the plant body which exhibits alternation of generations

Question 2

Gametophyte

Answer 2

The gametophyte is the sexual phase in the life cycle of plants and algae

Question 3

Xylem

Answer 3

Specialized tissue that transports water through the plant body and is made up of cells whose walls are thickened with lignin

Question 4

Phloem

Answer 4

Conducts sugars through the plant body

Question 5

Ovule

Answer 5

Protective layers of megasporangium and integument
After fertilization, an ovule becomes a seed

Question 6

Co-evolution

Answer 6

reciprocal evolutionary changes brought about by interactions between species