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Sci. Ch 2 Lesson 4

Plant Life Cycle

A flowering plant may reproduce by producing these. seeds
Seeds need these four things to germinate. sunlight, water, oxygen, right temperature
To germinate means to do this. grow
Roots grow downward because of this. gravity
Stems grow upward toward this. sunlight
It is important for seeds to scatter, so they have developed these. adaptations
Seeds can scatter by doing this on water. floating
Seeds can scatter by floating through this. air
Animals may scatter seeds when they pass through this system. digestive
Animals may get seeds caught on this. fur
Animals may do this with seeds. bury
Seeds get enough space and resources when they scatter away from this. parent plant
If a seed does not get what it needs, it stays at rest or this. dormant
Some plants produce these single cells surrounded by a protective covering instead of seeds. spores
For a spore to grow, it has to land on this type of ground and always have moisture. wet
Plants may do this without seeds. reproduce
New plants may grow from these parts of plants. leaves, stems, roots
Underground stems that can grow plants are called these. bulbs
Taking a cutting from one plant and attaching it to another plant is called this. grafting
Grafting works only if the tubes of the two plant do this. match
Created by: sconway