Campbell Biology (11th Edition)
11th Edition
ISBN: 9780134093413
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 30.1, Problem 3CC
WHAT IF? Ø If a seed could not enter dormancy, how might that affect the embryo’s transport or survival?
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. WHAT IF? If flowers had shorter styles, pollen tubeswould more easily reach the embryo sac. Suggest anexplanation for why very long styles have evolved inmost flowering plants.
1. Offer support for the argument that the seemingly independent axial and ray systems of secondary vascular tissue are developmentally related via the changes in the organization of the cambium.
2. Describe the transition from an ovary/ovule to a fruit.
3. Describe the process of seed development in an immature ovary of a flower.
WHAT IF? If the ability to disperse spermby wind evolved in a fern, how might its lifecycle be affected?
Chapter 30 Solutions
Campbell Biology (11th Edition)
Ch. 30.1 - Contrast how sperm reach the eggs of seedless...Ch. 30.1 - What features not present in seedless plants have...Ch. 30.1 - WHAT IF? If a seed could not enter dormancy, how...Ch. 30.2 - Use examples from Figure 30.7 to describe how...Ch. 30.2 - Explain how the pine life cycle in Figure 30.4...Ch. 30.2 - Prob. 3CCCh. 30.3 - It is said that an oak is an acorns way of making...Ch. 30.3 - Compare and contrast a pine cone and a flower in...Ch. 30.3 - WHAT IF? Do speciation rates in closely related...Ch. 30.4 - Explain why plant diversity can be considered a...
Ch. 30.4 - Prob. 2CCCh. 30 - Describe how the parts of an ovule (integument....Ch. 30 - Although there are fewer Ihan 1,000 spedes of...Ch. 30 - Explain why Darwin called the origin of...Ch. 30 - Prob. 30.4CRCh. 30 - Where in an angiosperm would you find a...Ch. 30 - Prob. 2TYUCh. 30 - With respect to angiosperms, which of the...Ch. 30 - Which of thc following is not a characteristic...Ch. 30 - Gymnosperms and angiosperms liave tlie following...Ch. 30 - DRAW IT Use the letters a-d to label where on the...Ch. 30 - EVOLUTION CONNECTION The history of life has been...Ch. 30 - Prob. 8TYUCh. 30 - WRITE ABOUT A THEME: ORGANIZATION Cells arc the...Ch. 30 - Prob. 10TYU
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- Test Your Understanding Know and Comprehend 9. After fertilization, the______________ develop(s) into a fruit and the ______________ develop(s) into a seed. (a) ovary; ovule (b) polar nuclei; ovule (c) ovary; endosperm (d) ovule; ovary (e) ovule; polar nucleiarrow_forwardThe three main parts of a mature seed are _________ a. pollen grain, egg, and seed coat b. embryo, endosperm, and seed coat c. megaspores, microspores, and ovulearrow_forwardIn a plant’s male reproductive organs, development of pollen takes place in a structure known as the. stamen microsporangium anther tapetumarrow_forward
- WHAT IF? If a complete ring of bark is removed fromaround a tree trunk (a technique called girdling), wouldthe tree die slowly (in weeks) or quickly (in days)?Explain why.arrow_forward2.Where is the apical shoot meristem located? What is its function?arrow_forward2. Seed dispersal is vital to successful plant survival. Which of the following seeds from the same plant is best adapted for seed dispersal by wind? Draw or circle the seed and explain your answer. Pick flower, A, B, or C. 3. Bulbs provide storage for food in plants. Draw or circle the bulb that best enhances the chances of survival for an onion plant. Explain your answer choice. Pick bulb, A, B, or C. 4. The following butterflies are the same species, but each looks a little different. Draw or circle the butterfly that will most likely survive to pass those traits to its offspring. Explain your answer choice. Pick butterfly A,B, or C. (Picture below, each response must be 1-4 sentences only) Thank you! :)arrow_forward
- 6) Which of the following adaptations facilitated a more full liberation from water for reproduction in the seed plants?arrow_forwardIn plants that lack endosperm in their mature seeds, the cotyledons function to (a) enclose and protect the seed (b) aid in seed dispersal (c) serve as an absorptive embryonic root (d) store food reserves (e) attach the embryo within the ovulearrow_forwardDiscuss Concepts Compare the size, anatomical complexity, and degree of independence of a Douglas fir female gametophyte and a dogwood female gametophyte. Which one is the most protected from the external environment? Which trend(s) in plant evolution does your work on this question bring to mind?arrow_forward
- Adaptations that correlate with the adaptive success of angiosperms include: a. seeds borne on cones. b. protection of the ovule inside an ovary. c. seed dispersal by way of fruits. d. coevolution with animals that pollinate flowers. e. nourishment of developing embryos by tissues of the femalegametophyte.arrow_forward3. Discuss the main parts of an angiosperm leaf.4. By applying concepts from this lab, predict how the stem of a desert plant might be specializedfor its environment.arrow_forward7. Do you think the one responsible for the diversity of plants in various terrestrial habitats is the supply of water? Why? 8. Does each type of phyllotaxy ensure maximum exposure of leaves to light? Briefly explain your answer. 9. A flower is said to be a specialized shoot adapted for reproduction. Justify this statement. 10. Do you agree with the saying, “Fruits can be a vegetable, but vegetables can never be a fruit?” Defend your answerarrow_forward
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General Embryology Review in 20 minutes; Author: Medical Animations;https://www.youtube.com/watch?v=4YKvVeVMmEE;License: Standard youtube license