chapter 8
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
卡片预览 (13 张)
a structure that anchors a nonvascular plant to a surface.
rhizoids
a small opening in the epidermis, or surface,of a leaf
stomata
a plant that lacks specialized tissues for transporting water and nutrients.
nonvascular plant
a plant that has specialized tissues, called vascular tissues, that transports water and nutrients throughtout the plant.
vascular plant
a plant that produces seeds that are not part of a flower.
gymnosperm
a plant that produces flowers and developes fruit.
angiosperm
the process that occurs when pollen grains land on a female reproductive struture of a plant that is the same species as the pollen grains.
pollination
a period of no growth.
dormancy
female reprodutive organ of a flower.
pistil
the male reproductive organ of a flower.
stamen
the process by which plant releases water vapor through their leaves.
transpiration
a change in an organism’s environment that causes a reponse.
stimulus
plant growth toward or away from external stimulus.
tropism