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Hornberger chp 12
Grade 7 Science Review, Chapter 12 set 2
| Question | Answer |
|---|---|
| name for the plants that produce flowers and fruits | angiosperms |
| group of plant whose seed are protected by cones | gymnosperms |
| the largest group of gymnosperms | conifers |
| where the sperm will form in a seed plant | pollen |
| in the gametophyte stage, a fertilized egg grows into this. | sporophyte |
| ferns, horsetails and club mosses belong to this seedless group | vascular plants |
| mosses, liverworts, and hornworts make up this group of seedless plants | nonvascular |
| this type of seedless plant has fronds or fiddleheads | ferns |
| these seedless plants were once used to scrub pots and pans | horsetails |
| because rhizoids and rhizomes of seedless plants hold soil in place they help stop this | soil erosion |
| Since plants make their own food they are categorized as this | producer |
| this is the waxy layer that keeps plants from drying out | cuticle |
| this majority of this is made from plants or animals that eat plants | food |
| photosynthesis uses sunlight to make food from water and this item | carbon dioxide |
| these are the 2 stages of a plant's reproduction life cycle | sporophyte and gametophtye |
| water and minerals are taken from the roots to the shoot with this part of the plant | xylem |
| these are the 3 parts that make up a seed | cotelydon, sporophyte, seed coat |
| this is the part of the seed that protects the seed | seed coat |
| this is the part of the seed that stores food | cotelydon |
| this is the part of the seed that is the young plant | sporophyte |
| this is the part of the plant that supports and protects the plant cells | cell wall |
| this part of the plant provides food to the plant | phloem |
| this type of root system spreads many roots out from the base of the plant's stem | fibrous |
| this is the type of rigid stem found in trees | woody stem |
| this is the root system with one main root | taproot |
| this is the underground stem from which new leaves and roots grow | rhizome |
| this is a root-like structure that holds nonvascular plants in place | rhizoid |
| these are the 3 main functions of roots | supply water and minerals, hold plants in place, and store surplus food |
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