Which describes a fern’s fronds?
stems
leaves
spores
roots
leaves
Vascular plants differ from nonvascular plants in how they _____.
reproduce
make food
transport materials
obtain nutrients
transport materials
What do the spores that plants produce develop into?
fertilization
zygotes
sporophytes
gametophytes
sporophytes
All plants are _____.
multicellular eukaryotes
unicellular prokaryotes
unicellular eukaryotes
multicellular prokaryotes
multicellular eukaryotes
Why must ferns live in moist environments?
so that egg and sperm cells can join
to transport water to all cells
so that fiddleheads develop for food
to transport spores to new locations
Ferns must live in moist environments primarily to transport sperm cells to the egg cells for fertilization. Water is necessary for the sperm to swim to reach the eggs. Additionally, ferns require moisture for the germination of spores and the development of the gametophyte stage of their life cycle.
What produces egg and sperm cells during the life cycle of a plant?
gametophyte
sporophyte
fertilization
zygote