Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Textbook Question
Chapter 29, Problem 10TYU
SYNTHESIZE YOUR KNOWLEDGE
These stomata are from the leaf of a common horsetail. Describe how stomata and other adaptations facilitated life on land and ultimately led to the formation of the first forests.
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Why do plants in arid regions have sunken stomata?
What is the advantage of having more stomata on the lower portion of the leaf rather than on the upper portion? Was this true for the monocot leaf as well? What conclusions about stomata placement can you make from these observations?
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Pines and other plants that grow in very cold climates have sunken stomata just like the plants of the desert, yet the annual precipitation where they grow may be very abundant. Is there any advantage to their having such a modification?
Chapter 29 Solutions
Campbell Biology
Ch. 29.1 - Why do researchers identify the charophytes rather...Ch. 29.1 - Identify four derived traits that distinguish...Ch. 29.1 - Prob. 3CCCh. 29.2 - Prob. 1CCCh. 29.2 - Give three examples of how structure fits function...Ch. 29.2 - MAKE CONNECTIONS Review the discussion of...Ch. 29.3 - List the key derived traits found in monilophytes...Ch. 29.3 - Prob. 2CCCh. 29.3 - MAKE CONNECTIONS In Figure 29.12, if...Ch. 29 - Draw a phylogenetic tree illustrating our current...
Ch. 29 - Summarize the ecological importance of mosses.Ch. 29 - What trait(s) allowed vascular plants to grow...Ch. 29 - Three of the following are evidence that...Ch. 29 - Which of the following characteristics of plants...Ch. 29 - In plants, which of the following are produced by...Ch. 29 - Microphylls are found in which plant group? (A)...Ch. 29 - Suppose an efficient conducting system evolved in...Ch. 29 - Identify each of the following structures as...Ch. 29 - EVOLUTION CONNECTION DRAW IT Draw a phylogenetic...Ch. 29 - SCIENTIFIC INQUIRY INTERPRET THE DATA Ihe feather...Ch. 29 - WRITE ABOUT A THEME: INTERACTIONS Giant lycophyte...Ch. 29 - SYNTHESIZE YOUR KNOWLEDGE These stomata are from...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- What would be the appearance of secondary tissue in trees growing in regions of the planet without clearly defined seasons?arrow_forwardCreate a table to compare and contrast the following sets of terms. The table should define each term and outline the significance of each for plant function. Monocot root system: Dicot root system Root hair: Lateral root Bundle sheath: Kranz anatomy Low specific leaf area: High specific leaf area Monopodial branching: Sympodial branchingarrow_forwardA barrel cactus that is 60 cm tall and 30 cm in diameter has roots more than 3 m long. However, all the plant’s roots are found in the soil at a depth of 5 to15 cm. What possible adaptive value does such a shallow root system confer on a desert plant?arrow_forward
- Compare a fern species such as a local epiphytic fern with a Caulerpa species. State the plant division to which they each belong. Identify the habitat of each species. Identify three (3) structural (morphological) characteristics which they share and one (1) internal structural characteristic which they do not share.arrow_forwardStomata likely evolved as a solution to which of the following land plant problems? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a b C d e Threats from predators. Lack of nutrients. Lack of water. The pull of gravity. Excess UV radiation.arrow_forwardStomata are pores on the surface of plant leaves that allow for gaseous exchange. The numbers below shows the density of stomata on the leaf surfaces of three species of plants. Based on this information, which statement is incorrect? Stomata Density: Elodea (upper epidermis) = 0, (lower epidermis) = 0, Water Lily (upper) = 420, (lower) = 0, Black Walnut (upper) = 0, (lower) = 465 a) Since Elodea does not have any stomata, it does not carry out photosynthesis. b) In Elodea’s aquatic environment, stomata are not used to control gas exchange. c) Since black walnut trees thrive on land, stomata are located on lower surface to decrease the amount of water lost in the heat of the sun. d) Since water lilies live on the surface of water, transpiration occurs from the upper epidermis because that is where it is in contact with air.arrow_forward
- [ Select ] were needed in land plants to allow for gas exchange because the [ Select ] created an impermeable barrier on the outside of land plants' structures. Gametangia Cuticle Stomata Xylemarrow_forwardWelwitschia is a genus of plant that lives in the Namib andMossamedes Deserts in Africa. Annual rainfall averages only2.5 cm (1 inch) per year. Welwitschia plants contain a large numberof stomata (22,000 per cm2), which remain closed most of the time.Can you suggest how a large number of stomata would be beneficialto these desert plants?arrow_forwardYou should have found more stomata on the lower portion of the eudicot leaf. What is the advantage of having more stomata on the lower portion of the leaf rather than on the upper portion? Was this true for the monocot leaf as well? What conclusions about stomata placement can you make from these observations? MacBook Pro Q Search or enter address # $ % & 2 3 4 W Earrow_forward
- Why would it be necessary for an evolutionary line to develop stomata and guard cells before it developed an extremely impervious cuticle? Why must vascular tissues precede the evolution of roots and active apical meristems?arrow_forwardWhat are stomata? Living cells that form long, sieve-like tubes that transport carbohydrates. Non-vascular plants. Hollow vessels produced from dead cells that transport water and nutrient Small pores surrounded by two guard cells that allow water evaporation.arrow_forwardFrom the following list, which group has many members with woody, perennial stems that show annual growth increments in secondary xylem? Select one: a. Equistems b. perennial Monocots c. Bryophytes d. Pteridophytes e. Eudicotsarrow_forward
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