BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Question
Chapter 25, Problem 15SA
Summary Introduction
a.
To determine:
The term that describes “ground tissue.”
Summary Introduction
b.
To determine:
The term that describes “modified stem structure.”
Summary Introduction
c.
To determine:
The term that describes “a lateral meristem.”
Summary Introduction
d.
To determine:
The term that describes “photosynthetic parenchyma.”
Summary Introduction
e.
To determine:
The term that describes “mass of secondary xylem.”
Summary Introduction
f.
To determine:
The term that describes “in epidermis.”
Summary Introduction
g.
To determine:
The term that describes “only one in a
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Chapter 25 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
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- which of the following concernig roost is incorrect? a. monocot roots exhibit primary grwoth and secondary growth b. dicots roots are called taproots c. dicots are called perennials because they exhibit secondary growth d. monoct roots form fibrous roots e. secondary growth causes the xylem and phloem to increase in diameter.arrow_forwardA seed containsa. a seed coat. b. cotyledon(s).c. an embryo. d. stored food.e. All of these are correct.arrow_forward31. what meristematic area produces parenchyma cells of the cortex a. protoderm b. pith c. ground meristem d. procambium 32. this meristematic area produces the primary xylem and primary phloem a. procambium b. ground meristem c. protoderm d. pitharrow_forward
- Modified leaves that enable a stem to climb are called __________, whereas modified leaves that cover the winter buds of a dormant woody plant are called __________. (a) spines; bud scales (b) bud scales; tendrils (c) tendrils; bud scales (d) tendrils; spines (e) carnivorous leaves; spinesarrow_forwardCorn develops from a seedling with a single cotyledon, displays parallel veins on its leaves, and produces monosulcate pollen. It is most likely: a. a gymnosperm b. a monocot c. a eudicot d. a basal angiospermarrow_forwardWhos the Pollinator? Massonia depressa is a low-growing succulent plant native to the desert of South Africa. The dull-colored flowers of this monocot develop at ground level, have tiny petals, emit a yeasty aroma, and produce a thick. jellylike nectar. These features led researchers to suspect that desert rodents such as gerbils pollinate this plant. To test their hypothesis, the researchers trapped rodents in areas where M. depressa grows and checked them for pollen. They also put some plants in wire cages that excluded mammals, but not insects, to see whether fruits and seeds would form in the absence of rodents. The results are shown in FIGURE 29.20. A The dull, petalless, ground-level flowers of Massonia depressa are accessible to rodents, who push their heads through the stamens to reach the nectar at the bottom of floral cups. Note the pollen on the gerbils snout. Type of rodent Number caught # With pollen on snout # with pollen in feces Namaqua rock rat A 3 2 Cape spiny mouse 3 2 2 Hairy-footed gerbil A 2 A Cape short-eared gerbil 1 0 1 African pygmy mouse 1 0 0 B Evidence of Visits to M. depressa by rodents. Mammals allowed Mammals excluded access to plants from plants Percent of plants that set fruit 30.4 4.3 Average number of fruits par plant 1.39 0.47 Average number of seeds per plant 20.0 1.95 C Fruit and seed production of M. depressa with and without visits by mammals. Mammals are excluded from plants by wire cages with openings large enough for insects to pass through. Twenty-three plants were tested in each group. FIGURE 29.20 Testing pollination of M. depressa by rodents. 2. Would this evidence alone be sufficient to conclude that rodents are the main pollinators for this plant?arrow_forward
- Whos the Pollinator? Massonia depressa is a low-growing succulent plant native to the desert of South Africa. The dull-colored flowers of this monocot develop at ground level, have tiny petals, emit a yeasty aroma, and produce a thick. jellylike nectar. These features led researchers to suspect that desert rodents such as gerbils pollinate this plant. To test their hypothesis, the researchers trapped rodents in areas where M. depressa grows and checked them for pollen. They also put some plants in wire cages that excluded mammals, but not insects, to see whether fruits and seeds would form in the absence of rodents. The results are shown in FIGURE 29.20. A The dull, petalless, ground-level flowers of Massonia depressa are accessible to rodents, who push their heads through the stamens to reach the nectar at the bottom of floral cups. Note the pollen on the gerbils snout. Type of rodent Number caught # With pollen on snout # with pollen in feces Namaqua rock rat A 3 2 Cape spiny mouse 3 2 2 Hairy-footed gerbil A 2 A Cape short-eared gerbil 1 0 1 African pygmy mouse 1 0 0 B Evidence of Visits to M. depressa by rodents. Mammals allowed Mammals excluded access to plants from plants Percent of plants that set fruit 30.4 4.3 Average number of fruits par plant 1.39 0.47 Average number of seeds per plant 20.0 1.95 C Fruit and seed production of M. depressa with and without visits by mammals. Mammals are excluded from plants by wire cages with openings large enough for insects to pass through. Twenty-three plants were tested in each group. FIGURE 29.20 Testing pollination of M. depressa by rodents. 3. How did the average number of seeds produced by caged plants compare with that of control plants?arrow_forwardWhos the Pollinator? Massonia depressa is a low-growing succulent plant native to the desert of South Africa. The dull-colored flowers of this monocot develop at ground level, have tiny petals, emit a yeasty aroma, and produce a thick. jellylike nectar. These features led researchers to suspect that desert rodents such as gerbils pollinate this plant. To test their hypothesis, the researchers trapped rodents in areas where M. depressa grows and checked them for pollen. They also put some plants in wire cages that excluded mammals, but not insects, to see whether fruits and seeds would form in the absence of rodents. The results are shown in FIGURE 29.20. A The dull, petalless, ground-level flowers of Massonia depressa are accessible to rodents, who push their heads through the stamens to reach the nectar at the bottom of floral cups. Note the pollen on the gerbils snout. Type of rodent Number caught # With pollen on snout # with pollen in feces Namaqua rock rat A 3 2 Cape spiny mouse 3 2 2 Hairy-footed gerbil A 2 A Cape short-eared gerbil 1 0 1 African pygmy mouse 1 0 0 B Evidence of Visits to M. depressa by rodents. Mammals allowed Mammals excluded access to plants from plants Percent of plants that set fruit 30.4 4.3 Average number of fruits par plant 1.39 0.47 Average number of seeds per plant 20.0 1.95 C Fruit and seed production of M. depressa with and without visits by mammals. Mammals are excluded from plants by wire cages with openings large enough for insects to pass through. Twenty-three plants were tested in each group. FIGURE 29.20 Testing pollination of M. depressa by rodents. 4. Do these data support the hypothesis that rodents are required for pollination of M. depressa? Why or why not?arrow_forwardWhile gazing into an aquarium, you observe bubbles coming from anaquatic plant left. What are the bubbles?arrow_forward
- Whos the Pollinator? Massonia depressa is a low-growing succulent plant native to the desert of South Africa. The dull-colored flowers of this monocot develop at ground level, have tiny petals, emit a yeasty aroma, and produce a thick. jellylike nectar. These features led researchers to suspect that desert rodents such as gerbils pollinate this plant. To test their hypothesis, the researchers trapped rodents in areas where M. depressa grows and checked them for pollen. They also put some plants in wire cages that excluded mammals, but not insects, to see whether fruits and seeds would form in the absence of rodents. The results are shown in FIGURE 29.20. A The dull, petalless, ground-level flowers of Massonia depressa are accessible to rodents, who push their heads through the stamens to reach the nectar at the bottom of floral cups. Note the pollen on the gerbils snout. Type of rodent Number caught # With pollen on snout # with pollen in feces Namaqua rock rat A 3 2 Cape spiny mouse 3 2 2 Hairy-footed gerbil A 2 A Cape short-eared gerbil 1 0 1 African pygmy mouse 1 0 0 B Evidence of Visits to M. depressa by rodents. Mammals allowed Mammals excluded access to plants from plants Percent of plants that set fruit 30.4 4.3 Average number of fruits par plant 1.39 0.47 Average number of seeds per plant 20.0 1.95 C Fruit and seed production of M. depressa with and without visits by mammals. Mammals are excluded from plants by wire cages with openings large enough for insects to pass through. Twenty-three plants were tested in each group. FIGURE 29.20 Testing pollination of M. depressa by rodents. 1. How many of the 13 captured rodents showed some evidence of pollen from M. depressa?arrow_forwardThe _______do not have xylem or phloem. a. mosses b. ferns c. monocots d. conifersarrow_forward
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