Concept explainers
To explain: The way in which a plant part that was found growing in the soil should be determined as a root or an underground stem without a microscope.
Introduction: Roots and stems of plants are produced with secondary growth. Gymnosperms and woody eudicots have primary growth at apical meristem and at lateral meristem, the secondary growth occurs. The secondary tissue is produced as a result of the activity of two lateral meristems, namely the cork cambium and vascular cambium.
To explain: The way in which a plant part that was found growing in the soil should be determined as a root or an underground stem with a microscope.
Introduction: Roots and stems of plants are produced with secondary growth. Gymnosperms and woody eudicots have primary growth at apical meristem and at lateral meristem, the secondary growth occurs. The secondary tissue is produced as a result of the activity of two lateral meristems, namely the cork cambium and vascular cambium.
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Chapter 36 Solutions
Biology (MindTap Course List)
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- We observed onion (Allium) root tip through the light microscope. We were asked "Was your onion root tip actively growing prior to being preserved?" What should I expect to see if it was actively growing?arrow_forwardWhile 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_forwardCreate a BIOLOGICAL DIAGRAM of ONE of the ONION CELLS. using the 100X objective lens. To do so, access the Virtual Microscope at http://www.ncbionetwork.org/iet/microscopel. Then go to the "EXPLORE" tab. Click on the slide box → choose PLANT SLIDES → click on ONION ROOT. You will need to use the coarse and fine focus and adjust the light to get clear views. The slide can also be moved within the viewing field. Review the biological drawing rules! Label the cell wall, cell membrane, cytoplasm, and nucleus. BIOLOGICAL DRAWING RUBRIC Diagram Quality Appropriate size 23 page (1 large cell) In penal Stippled, nat shaded, or sketched Overall Neat + dear outlines Drawing to left side of page Labels Labeis along a straight edge on the right side of drawing • Accurate; correet speling • Label lines drawn with arder Label lines paraliel All smaller case at the end of the line • Lines not crossing each other Required Information Name and date in upper right hand comer TRle CAPITALIZED and…arrow_forward
- Make an formal lab and sketch and label the formal lab with the image as well as identify all the following on the lab monocot stem, dicot herbaceous stem, monocot leaf, dicot leaf, monocot root and dicot root.arrow_forwardThey are using the 4x objective on the microscope Estimate the width of this root in micrometers. Walk through every step of the way you would do it, as if you are teaching a classmate how to figure out how big a root cell is.arrow_forwardwhat type of configuration of stomatal complex is exhibited by the specimen?arrow_forward
- two leaves A and B, each having the petiole in a closed test tube full of water. Each is hung on a spring balance. Leaf A has a waxy cuticle on the upper epidermis and stomata on the lower epidermis. Leaf B a waxy cuticle on the upper epidermis and a lower epidermis covered with petroleum jelly. Both leaves were cut from the same plant. i)Explain why it is important for the leaves to be cut from the same plant. (ii) List TWO variabes that must be kept constant in this investigation. iii) Table 6 shows the results obtained in the experiment: leaf and test tube weight final weight change in weight A 40.7 39.9 0.8 B 38.7 38.7 0.0 Explain why the weight of set up A, decreased. iv) Using your biological knowledge, indicate how results will change, if a fan is switched on near the experimental set up. Explain your answer.arrow_forwardWhat are some of the functions of the parenchyma cells in the cortex and pith of a stem? Edit View Insert Format Tools Table 14pt Paragraph BI U A 2 T :arrow_forwardMosses are very good at absorbing water. Peat moss, also known as sphagnum moss, is particularly good at holding water, which is why it is often used in horticulture to improve soil structure and drainage. If you made a wet mount of a sphagnum moss leaf on a microscope slide and observed it with a compound light microscope, it would look like the image on the right. In that image of the magnified leaf, label a water-holding cell, the location of photosynthetic cells, and a reinforcing rib. 5) How do mosses survive without vascular tissue?arrow_forward
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