BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Textbook Question
Chapter 30, Problem 4A
Comparing stems of two plant specimens under the microscope, you identify vessels in one sample and conclude the specimen
a. with vessels must be an
b. with vessels is either Ephedra or a cycad.
c. without vessels is a pterophyte
d. without vessels must be a tracheophyte.
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In the life cycle of a bryophyte,
represent(s) the gametophyte (haploid) form and
represents the sporophyte (diploid) form.
A. microscopic gametes; a multicellular leafy structure
B. the multicellular foliose form; a smaller, temporary, dependent structure
C. a gemmae cup; the leafy permanent portion
D. a multicellular foliose form; a gemmae cup
E. a multicellular foliose form; a collection of spores or sori
Which of the following statements is incorrect?
a.
Vascular bundles are arranged in a ring in the outer parts of monocot stems in whereas in eudicots they are scattered throughout the stem.
b.
The cuticle is a hydrophobic layer that covers the aerial part of plants
c.
Vascular bundle arrangement is different in stem and root.
d.
The epidermis and periderm form the dermal tissue of plants.
As part of an experiment you are required to observe the external features of a fern.
State what microscope would you use and give reasons why?
You have been provided with a plant showing the rooting system and the stem with several leaves.
Give SIX features that you will look for to determine whether this is a monocotyledonous plant or a
dicotyledonous plant. Present your answer in a clear, logical manner.
In an experiment students were given the following materials and apparatus:
- juices from three local fruits; 4% glucose solution; Benedict's solution; test tubes,
beakers, syringes and boiling water bath.
Describe CLEARLY the procedure that can be used to estimate the amount of glucos
present in each juice. Use numbered steps in your answer.
Chapter 30 Solutions
BIOLOGY
Ch. 30.1 - List the evolutionary advantages of seeds.Ch. 30.1 - Distinguish between pollen and sperm in seed...Ch. 30.2 - Prob. 1LOCh. 30.2 - Prob. 2LOCh. 30.3 - Prob. 1LOCh. 30.3 - Prob. 2LOCh. 30.3 - Prob. 3LOCh. 30.4 - Describe four ways in which seeds help to ensure...Ch. 30.4 - List environmental conditions that can lead to...Ch. 30.5 - Prob. 1LO
Ch. 30.5 - Prob. 2LOCh. 30 - Using the graph in figure 30.13, calculate the...Ch. 30 - Prob. 1IQCh. 30 - Prob. 2IQCh. 30 - Prob. 3IQCh. 30 - Prob. 4IQCh. 30 - The lack of seeds is a characteristic of all a....Ch. 30 - Prob. 2UCh. 30 - Which of the following gymnosperms possesses a...Ch. 30 - In a pine tree, the microspores and megaspores are...Ch. 30 - Which of the following terms is NOT associated...Ch. 30 - Which of the following potentially represents the...Ch. 30 - Prob. 7UCh. 30 - Prob. 8UCh. 30 - The pericarp is the a. ovary wall. b. developing...Ch. 30 - Reproduction in angiospenns can occur more quickly...Ch. 30 - In double fertilization, one sperm produces a...Ch. 30 - Apply your understanding of angiosperms to...Ch. 30 - Comparing stems of two plant specimens under the...Ch. 30 - Prob. 5ACh. 30 - Fruits are complex organs that are specialized for...Ch. 30 - You haw been hired as a research assistant to...Ch. 30 - Prob. 2SCh. 30 - The relationship between flowering plants and...Ch. 30 - Prob. 4S
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- While exploring a forest, you come upon a plant that you haven't seen before. You dig it up and take it back to your lab for further inspection. Back at the lab, you observe the characteristic structure of the plant and make some notes. Then, you carefully dissect the stems and leaves and look at the tissue under the microscope. Finally, you are able to determine the type of plant it is. Use the notes below to identify the class to which this plant belongs. Notes on physical characteristics of the specimen: the plant has no leaves or roots, but has hair-like rhizomes which anchors it in the soil the stems are highly branched sporangia are present at the ends of each stem dissection of the stem shows the presence of vascular tissue in the form of a xylem and phloemarrow_forwarda. Monocot stem Draw or attach a photo of a monocot stem Give characteristics of a monocot stem b. Eudicot stem Draw or attach a photo of a eudicot stem. Give the characteristics of a eudicot stem 3. LEAVES a. Simple leaf Draw a or attach a photo of simple leaf Give characteristics of a simple leaf.arrow_forward2. a) As part of an experiment you are required to observe the external features of a fern. State what microscope would you use and give reasons why? b) You have been provided with a plant showing the rooting system and the stem with several leaves. Give SIX features that you will look for to determine whether this is a monocotyledonous plant or a dicotyledonous plant. Present your answer in a clear, logical manner. c) In an experiment students were given the following materials and apparatus: - juices from three local fruits; 4% glucose solution; Benedict's solution; test tubes, beakers, syringes and boiling water bath. Describe CLEARLY the procedure that can be used to estimate the amount of glucose present in each juice. Use numbered steps in your answer.arrow_forward
- Which of the following statements is NOT true of the stems of vascular plants? a. Stems are composed of repeating segments, including nodes and internodes. b. Primary growth only occurs at the shoot apical meristem. c. Vascular tissues may be arranged on the outside of the stem or scattered throughout the stem. d. Stems can contain stomata.arrow_forwardVegetative propagation in liverworts is possible because of propagules known as gemmae. Select one: True False Where would you most likely find the megasporangium of an angiosperm? a. Within an ovule contained within an ovary of a flower b. In the style of a flower c. Enclosed in the stigma of a flower d. Packed into pollen sacs within the anthers found on a stamen Which of the following plant structures is NOT matched correctly to its function? a. Stomata allow gas transfer b. Tracheids allow the movement of water and minerals c. Cuticle prevents desiccation d. Plasmodesmata - form a supportive meshwork which acts as a cellular exoskeletonarrow_forwardLycophytes are more closely related to mosses and hornworts than they are to angiosperms. Group of answer choices a. True b. Falsearrow_forward
- READ THE FOLLOWING INSTRUCTIONS: Bryophytes in which the gametophytes are "leafy" in appearance and the sporophytes grow conspicuously from the tips of the gametophyte plants. STEP 1: Examine the mass of moss plants and then select one or two individual gametophyte plants and note the leaf-like (not true leaves because they lack conducting tissue) structures which are arranged around a central, vertical "stem-like" stalk and root-like rhizoids which anchor the plant and absorb water and nutrients. STEP: The sex organs are in the tips of the plants and must be seen with the microscope. Study a slide of a vertical section through head of a mate plant and note the many antheridia. STEP 3: Examine a slide through a vertical section of a female plant. Note the many upright archegonia each on a tall stalk and each with a swollen base or venter containing an egg and an elongate neck. Note the filamentous paraphyses between the archegonia. STEP 4: Examine a living or preserved…arrow_forwardMatch the following plant cells and tissues with their definition: - v Collenchyma A. grouped in strands and help support young parts of the plant shoot. They have unevenly thickened primary cell walls. - v Sugar-conducting cells of the phloem B. are alive at maturity, but lack organelles. Each sieve-tube element is connected to a companion cell by plasmodesmata. Water-conducting cells of the xyleem v Sclerenchyma C. The two types of water-conducting cells, tracheids and vessel elements, are dead and lignified at maturity. - v Parenchyma D. rigid due to thick secondary walls containing lignin, dead at functional maturity and play a role in support in the plant. E. cells are flexible and provide the most diversity of functions (such as photosynthesis)arrow_forwardCompanion cells are unique to:A. Bryophytes B. PteridophytesC. Angiosperms D. Gymnospermsarrow_forward
- Determine the collective true-false status of the statements using the choices below. I. The vascular bundles of monocot stems are typically distributed all throughout the ground tissue.; II. The vascular bundles inside a typical eudicot stem are arranged in a characteristic ring.; III. Bulbs are stems that branch from the main stem of the plant and grow horizontally on the ground or just under it.; IV. Allium cepa is a plant with a bulb stem. Only two (2) statements are true. Only three (3) statements are true. Only one (1) statement is true. None of the statements is true. All statements are true.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 reproduction, structure and/or function. Corm: Rhizome Primary meristems: Secondary meristems Sclerenchyma: Collenchyma Starch: Druse crystals Raceme: Cymearrow_forwardSelect the obvious vegetative and/or habit features that you think will be most helpful in identifying them: Family Arecaceae Family Cyperaceae Family Poaceae: Subfamily Bambusoideae Family Poaceae: Rest of the members (the typical grasses) Family Orchidaceae Family Cucurbitaceae Genus Caladium Genus Allium Genus Rhizophora Genus Codiaeumarrow_forward
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