A) attract pollinators.
B) protect and help disperse seeds.
C) supply nutrients to the embryo.
D) protect flower buds.
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Multiple Choice
A) all seeds require a period of dormancy before germinating.
B) in the temperate region,seeds often require a period of cold weather before dormancy is broken.
C) fleshy fruits contain inhibitors of germination.
D) some seeds require fire or bacterial action before germination can occur.
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Multiple Choice
A) is the sexual reproductive organ.
B) is composed of whorls of modified leaves.
C) serves to attract animal pollinators.
D) may contain male and female reproductive parts.
E) All of the choices characterize flowers.
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Multiple Choice
A) Seeds develop within a cone.
B) Seeds develop within a flower.
C) Seeds are surrounded by a fruit at maturity.
D) Pollen is carried by the wind for pollination.
E) Pollen is carried by animal pollinators.
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Multiple Choice
A) male gametophytes retained within the body of sporophytes.
B) female gametophytes retained within the body of sporophytes.
C) sporophytes retained within the body of microgametophytes.
D) sporophytes retained within the body of megagametophytes.
E) microgametophytes retained within the body of megagametophytes.
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Multiple Choice
A) a diploid zygote and a haploid polar nucleus.
B) a diploid zygote and a diploid endosperm.
C) a diploid embryo and a triploid zygote.
D) a triploid embryo and a diploid endosperm.
E) a diploid zygote and a triploid endosperm.
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Multiple Choice
A) pistil; stamens
B) sepals; calyx
C) receptacles; peduncles
D) petals; corolla
E) stamens; carpels
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Multiple Choice
A) the suspensor transfers nutrients from the endosperm to the embryo.
B) the embryonic cells near the suspensor become the shoot.
C) the innermost cells become the protective,dermal tissue.
D) it becomes a ball of cells and assumes a torpedo shape.
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Multiple Choice
A) tomato
B) peach
C) blackberry
D) pineapple
E) All of these are compound fleshy fruits.
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