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13 Cards in this Set

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What are two types of vascular tissue?
1.phlome
2.xylem
All seed plants share two characteristics. What are they?
They have vascular tissue and use seeds to reproduce
A seed has three important parts. What are they?
an embryo, stored food, and a seed coat
Leaves capture the sun’s energy and carry out the food-making process of what?
photosynthesis
What are the stems two important functions?
The stem carries substances between the plant’s roots and leaves.
The stem also provides support for the plant and holds up the leaves so they are exposed to the sun
What is the roots main function?
Roots anchor a plant in the ground and absorb water and nutrients from the soil
Every gymnosperm produces naked seeds. What can we infer after manking this observation?
many gymnosperms also have needlelike or scalelike leaves, plus a deep-growing root systems
What are the four types of gymnosperms?
1.Conifers
2.Ginkgo
3.Gnetophytes
4.Cycads
How do gymnosperms reproduce?
First, pollen falls from a male cone onto a female cone. In time, a sperm cell and an egg cell join together in an ovule on the female cone
What are two characteristics of angiosperms?
they produce flowers and fruits
How do angiospems reproduce?
First, pollen falls on a stigma. In time, the sperm cell and egg cell join together in the flower’s ovule. The zygote develops into the embryo part of the seed.
What are three important stimuli to which plants respond?
Touch, light, and gravity
What controles germination?
plant hormones also control germination, the formation of flowers, stems, and leaves, the shedding of leaves, and the development and ripening of fruit.