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When comparing vessel elements with sieve tube elements, only vessel elements…
![[PLANT PHYSIOLOGY] When comparing vessel elements with sieve tube elements, only vessel elements.
Select one:
O a. are stacked end to end.
b. are not living.
c. None of the choices.
o d. transport substances through the plant.
е.
are present in all plant organs.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F40cbeb66-d88d-4e01-b4b5-1176e5b78ecf%2F82536d97-41a5-4152-9fb1-ef506d4a66f5%2Ffkp6ha8_processed.jpeg&w=3840&q=75)
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- Name the 2 major vascular tissues in plants and animals (and what is transported in each) Plants a. Xylcm b. Phloem Animals a. blood vessels b. ymphatics(a). When making furniture, one prefers the heartwood or the sapwood ? Explain your reasons (b). Cutting a cross section of a herbaceous dicotyledonous stem and a monocotyledonous stem, you will notice the differences of the arrangement of tissues and vascular bundles. Compare the cross sections by labelled illustrations(b) Water absorbed by plant roots travels by different pathways from the root hairs to the xylem. Figure 5 shows these pathways in a plant root. cell A xylem vessel root hair key pathway B Tissue D Tissue E * pathway C Figure 5: Schematic representation of water movement through the tissues of a plant root (PLEASE TURN OVER) Page 6 CONT'D from Page 5 i. Explain how water moves from the root hair to the xylem vessels in the root. ii. Identify cellA, pathway B, pathway C, tissue D and tissue E in Figure 5.
- Root pressure moves water up the stem: O a. Pumps are found along the length of the xylem vessels. O b. Water is pumped into the roots by active transport. O C. Using osmotic pressure to suck water into the roots. Od. Using surface tension forces within the root. O e. Using transpiration to suck water up.Use the internet or your textbook to identify the functions of the following 5 vascular plant structures and write your answers in your notebook: cuticle, stomata, xylem, phloem, root hairs. Gul gomplotion of this lah students should be able to: 3.Plant Physiology Define or describe and give 2 functions of the plant tissue: Apical Meristem
- Minerals dissolved in watera. enter root epidermal cells by active transport.b. take an extracellular pathway through roots to thevascular cylinders.c. are transported up through phloem to the leaves.d. enter root cortex cells by diffusion.In vascular plants, phloem tissue primarilya. transports water.b. transports carbohydrates.c. transports minerals.d. supports the plant.Plant Physiology Define or describe and give 2 functions of the plant tissue: Intercalary Meristem
- A: ESTUARY B: TRIBUTARY C: RIVER BASIN 4. WATER HAS THE PROPERTY OF ADHESION, WHICH ALLOWS IT TO USE WHICH PROCESS IN PLANT ROOTS? A: DENSITY B: SURFACE TENSION C: CAPILLARY ACTIONPlant Physiology Define or describe and give 2 functions of the plant tissue: MeristemWater movement through the xylem needs less pressure than movement through living cells. A. Agree, because water moves in xylem through diffusion. B. Disagree, because water needs turgor pressure in order to diffuse. D. Disagree, beacuse both need equal pressure for materials to pass through xylem and living cells like sievetubes. C. Agree, because water is non-living while photosynthates are living and must pass through living cells that require pressure.