Phloem Study guides, Class notes & Summaries

Arborist Certification Test Prep Questions with Correct Answers 100% Verified 2024 site of rapid cell division in the shoot tips, root tips, and cambium: - Correct Answer meristems meristems located at the end of the shoots are called primary, or _________________ meristems - Correct Answer apical the tendency for terminal buds to inhibit the growth of lateral buds is called ________________ - Correct Answer apical dominance the food factories of trees are the ______________ - Correct ...

what is the precise composition of sporopollenin? - Its precise composition is unknown but it contains phenolic substances, fatty acids, and phenylpropanoids There are four key traits that land plants share only with charophyceans. what are they? - 1. structure of flagellated sperm, 2. rose shaped complexes for cellulose synthesis, 3. peroxisome enzymes (photorespiration), 4. formation of a phragmoplast what is the mesophyll? - The ground tissue of a leaf is sandwiched between the upper a...

Parenchyma cells - Play a role in storage, secrection, and photosynthesis in cells. Have thin and flexible primary walls, large central vacuole, lack secondary walls, photosynthesize Ground Tissue - Tissue system that makes up the majority of a plant What is ground tissue composed of? - Parenchyma, collenchyma, sclerenchyma Collenchyma cells - Provide flexible and mechanical support; found in stems and leaves, used for new plants. Lacking secondary walls. Strings on a celery stalk Sclerenc...

Brooks Biodiversity Unit 3 Exam Questions and Answers 100% Pass Plants Architecture - Answer- Plant needs i. collection & conversion of solar energy -> leaves ii. positioning & support of leaves -> stems iii. anchorage & absorption -> roots iv. transport -> vascular system Leaf Structure - Answer- Epidermis, Mesophyll, and Vein (Vascular Bundle) Epidermis contains what? - Answer- - Cuticle - Guard cells with Stomata Epidermis - Answer- outermost cell layer of a plant body ...

4 major plant parts include - roots stems leaves reproductive parts 4 functions of the root system include - absorption anchorage conduction storage 2 kind of root systems found in plants are - fibrous root systems and taproot systems Fibrous root system - root system that consists of numerous multi-branched roots that are slender; no one root is more prominent than the other. Tap root system (more difficult to transplant) - root system that consists of one main root that gro...

WSU Biology 106 Exam 1 Questions and Answers Already Passed Most species extinction can be traced to what four major threats? Climate change, habitat destruction, over harvesting, and the introduction of species. Name three functions of the root? Anchors the plant, absorbs minerals and water, and stores organic nutrients. What part of the root system is responsible for absorbing the majority of minerals and water? The root hair. What two components create the stem? Internodes a...

Dermal tissue system has what cells? - Epidermal cells Vascular Tissue system has what type of cells? - Xylem, phloem Ground tissue has what types of cells? - Parenchyma, collenchyma, sclerenchyma - within this matrix there is a series of vascular bundles - located between vascular and dermal tissue Primary tissue grows via which growth regions? - Meristems stem - - main stalk of plant - produces buds and leaves - forms a connection between roots and leaves - conducts water and ...

Arborist Certification Study Guide with Complete Solutions Meristem Correct Answer-Sites of rapid cell division in the shoot tips, root tips, and cambium. Apical meristem Correct Answer-Meristems located at the end of the shoot are called primary, or _________ meristems Scales Correct Answer-Buds are covered by _____________ that leave permanent scars on the twig when the buds break dormancy. These scars can be useful in tree ID. Apical dominance Correct Answer-The tendency for termina...

101. Why do the side plates of an arborist block extend beyond the sheaves? a. to protect the hands of the arborist. b. to keep the line from slipping. c. to prevent abrasion of the line. encourage smooth passage of the line. CORRECT ANSWER c. to prevent abrasion of the line. 102. when looking at a cross section of a branch, which ring represents the most recent year of growth? a. the first ring inside the cambium b. the first ring inside the phloem c. the first ring outside the camb...

PRAXIS 5236 Flashcards 100% All Verified 2024 A+ Vascular Plant - ANS-has true leaves, stems, roots that contain xylem and phloem Nonvascular Plants - ANS-lack true leaves, stems, and roots and do not have any true vascular tissue but instead rely on diffusion and osmosis to transport most matersals or recourses needed to survive endotherms - ANS-Animals (such as birds or mammals) that can regulate their body temperature regardless of the environments. ectotherms - ANS-An animals that ...