Which statement is not true of a seed?
a) it contains an embryonic sporophyte plant.
b) endosperm provides nutrition to the developing embryo, hopefully until the embryo can photosynthesize for itself.
c) seed coats protect the embryo and endosperm.
d) seeds are collected by many animals, and in the spread of seed plants.
e) all plants produce seeds.

e) All plants produce seeds.

Explanation:

The seed-producing plants are grouped as spermatophytes. Spermatophytes include only angiosperms and gymnosperms as both of these groups of plants produce seeds. Some of the examples of seed producing plants are mango, sunflower, etc.

Other plant groups such as bryophytes, pteridophytes do not produce seeds for reproduction. Sphagnum (moss), Adiantum (fern), etc, do not produce seeds.

a- multicellular

b-eukaryotic

c-no cell wall

d-heterotrophic

e-autotrophic