Angiosperms&Gymnosperms Flashcards
_________ are the oldest seed plants. They appeared on earth about _________ years ago.
Gymnosperm, 250million
The seeds of plants contain an ____________ and ______________.
undeveloped plant, stored food
Two ways to distinguish an angiosperm from a gymnosperm are :
- _________________________________
- _________________________________
- Angiosperms produce flowers
2. The seeds of angiosperms are inside a fruit
Most fruits, nuts, and vegetables we eat come from ___________
Angiosperm
The four divisions of gymnosperms are _______________, ________________, _______________, and _______________
conifers, cycads, ginkgoes, and gnetophytes
Conifer ________ loses less water than the wider leaves of flowering plants.
needles
While most gymnosperms are evergreen, the larch is ____________ and loses its leaves each fall.
deciduous
Gymnosperms are alike in producing their seeds on the _______ of female cones
scales