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Study Guide Answers

1.     About how many kinds of seeds are there? ________________
2.     The size of the seed reflects the size of its plant in a ratio called the "Seed-Plant Proportion." True or false?
3.     Flowering plants are known as: a) gymnosperms b) angiosperms c) conifers d) germnosperms
     b) angiosperms
4.     Pine trees and daisies both have seeds. True or false?
5.     The baby plant within each seed is called the: a) seed coat b) food supply c) embryo d) spore
     c) embryo
6.     Flowering plants have _________________ cotyledon(s). a) one b) two c) one or two d) several
     c) one or two
7.     In a bean seed, the food supply is stored in the ________________________ .
8.     Name three ways that seeds are scattered. __________________________________________ __________________________________________ __________________________________________
     wind, water and animals, birds, people
9.     Most seeds produce plants that are tougher than the parent plants. True or false?
10.     Some pine cones will not release their seeds unless subjected to intense heat. True or false?
11.     A seed that is waiting for the proper conditions before it sprouts is said to be ________________ .
12.     Within the plant, food moves ____________ (up or down).
13.     Within the plant, water and minerals move ________________ (up or down).
14.     The tubes that carry water and minerals are called _____________________ .
15.     The tubes that carry food within the plant are called _________________________ .
16.     Where do cactus plants make their food? ______________________
17.     What do cacti store in their stems? __________-_____________
18.     The special above-ground stems, as on strawberry plants, that are capable of establishing new plants are called: a) xylem b) phloem c) buds d) stolons e)rhizomes
     d) stolons
19.     The spreading, underground stems that are capable of establishing new plants, as in the case of ferns, are called ________________ .
20.     The major difference between stems and roots is that stems have ________________ ,
21.     The most common heating and cooking fuel in the world is ________________ .
     wood (or trees)
22.     The tallest and largest plant stems belong to the _____________________________ .
23.     The oldest living things on earth are ______________________ ___________________ .
     bristlecone pines
24.     The bark of the cinchona tree produces: a) cinnamon b) quinine c) rayon d) cork
     b) quinine
25.     What is the food-making process in plants called? ______________________________
26.     What is the name of the tiny roots that absorb water, minerals, and other nutrients?
     root hairs
27.     A root that grows deep within the soil to anchor its plant is called a(n) ___________________ .
28.     The tangles of small roots that support most grasses are referred to as ______________ __________.
     fibrous roots
29.     Roots that grow down from the stem or branches to support a plant are known as _________________ ___________________ .
     prop roots
30.     Carrots, radishes, and beets are actually ____________________ ____________ .
     storage roots
31.     Potatoes are not roots, but ______________________ .
32.     Mistletoe, which sinks its roots into other plants, is a _______________________ .
33.     What are the basic energy sources for most water animals? ___________________
34.     When a plant produces a new root from an old root, the process is called ______________ ______________________ .
     root sprouting
© Educational Video Network, Inc. 2005 - www.evndirect.com
Your leading source for curriculum-based educational videos and DVDs.