21. Which of the following functions make seeds useful to plants? A) Seeds provi

Question

21. Which of the following functions make seeds useful to plants? A) Seeds provide a mechanism for dispersal. B) Seeds protect the embryo. C) An embryo may remain dormant until optimum growth conditions are available. D) All of the above

22. Many angiosperms and animals have coevolved. What roles do animals play in the life cycle of plants? A) They act as pollinators. B) They assist in dispersal of seeds. C) They insure fertilization. D) All of the above

23. What is the significance of the fruit? A) It aids in dispersion of seeds. B) It protects seeds until they are mature. C) It attracts pollinators. D) a and b

24. Vascular tissue in angiosperms is highly developed. The purpose of this vascular tissue is to move A) water. B) food. C) nutrients. D) All of the above

Explanation / Answer

21. All of the above

22. All of the above

23. a and b

24. All of the above

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