plant diversity

Question 1

rhizoids

Answer 1

a filamentous outgrowth or root hair on the underside of the thallus in some lower plants, especially mosses and liverworts, serving both to anchor the plant and (in terrestrial forms) to conduct water.

Question 2

vascular tissue

Answer 2

a complex conducting tissue, formed of more than one cell type, found in vascular plants

Question 3

sporangium

Answer 3

a receptacle in which asexual spores are formed.

Question 4

calyptra

Answer 4

an enlarged archegonial venter that protects the capsule containing the embryonic sporophyte

Question 5

spores

Answer 5

a haploid reproductive cell which gives rise to a gametophyte

Question 6

adventitious roots

Answer 6

plant roots that form from any nonroot tissue and are produced both during normal development and in response to stress conditions, such as flooding, nutrient deprivation, and wounding

Question 7

tap root

Answer 7

a large, central, and dominant root from which other roots sprout laterally

Question 8

prothallus

Answer 8

the gametophyte of ferns and related plants.

Question 9

monocotyledonous

Answer 9

Any of a class of angiosperm plants having a single cotyledon in the seed

Question 10

dicotyledonous

Answer 10

any member of the flowering plants, or angiosperms, that has a pair of leaves, or cotyledons