Meristem Study guides, Class notes & Summaries

UBC BIO 210 Exam Questions with Correct Answers What defines vascular plants? - Answer-1. Sporophyte is dominant, independent and branched. 2. Contain xylem (lignin) and phloem. What kind of branching do lycophytes have? - Answer-Dichotomous. What is dichotomous branching? - Answer-When the meristem divides in two. Are lycophytes microphyllous or megaphyllous? - Answer-Microphyllous. What is microphyll? - Answer-A plant leaf with one single, unbranched vein. Are leaf traces p...

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...

2023 AQA GCSE COMBINED SCIENCE: SYNERGY 8465/1F Foundation Tier Paper 1 Life and Environmental Sciences Question Paper & Mark scheme (Merged) June 2023 [VERIFIED] GCSE COMBINED SCIENCE: SYNERGY F Foundation Tier Paper 1 Life and Environmental Sciences Tuesday 16 May 2023 Morning Time allowed: 1 hour 45 minutes Materials For this paper you must have: ⚫ a ruler ⚫ a protractor ⚫ a scientific calculator ⚫ the periodic table (enclosed) the Physics Equations Sheet (enclo...

Mycorrhizae correct answersSymbiotic organisms (aka symbionts) with plants that live on their roots, helping the plant gain nutrients Nerve net correct answersA nervous system that moves neural signals in all directions from the stimuli, found in invertebrates like hydra Malpighian tubules correct answersTubes in an insect that help with osmoregulation and excretion; they move waste into the main gut for removal. "Kidneys" of arthropods, they absorb ammonium and convert it into uric acid...

WSU Biology 106 Final Exam QUESTIONS AND CORRECT DETAILED ANSWERS Three basic plant organs - ANSWER- roots, stems, leaves roots - ANSWER- Absorbs water and minerals from the ground. Anchors plant in ground. Stems - ANSWER- Carry substances between roots and leaves; provide support for plant; holds leaves up to sunlight leaves - ANSWER- The main photosynthetic organs of vascular plants. Nodes - ANSWER- the points at which leaves are attached internodes - ANSWER- the stem segments bet...

gametophyte - Haploid, or gamete-producing, phase of an plant's life cycle sporophyte - Diploid, or spore-producing, phase of a plant's life cycle. Makes haploid spores by meiosis. (plant) spore - haploid cell derived by meiosis in the sporophyte (plant) gamete - a mature haploid male or female cell that is derived by mitosis in the gametophyte Flower - The reproductive structure of a flowering plant fruit - structures derived from the flower of a flowering plant that enclose se...

WSU Biology 106 Exam Questions AND CORRECT DETAILED ANSWERS Which of the follow statements concerning the is NOT correct? a) in the most-recent 550 million years Earth has experienced five mass-extinction events b) approximately 250 million years ago all of the continents were coalesced in a single, giant, super continent c) the first living organisms were Prokaryotes d) oxygen started accumulating in Earth's atmosphere with the invasion of land by plants approximately 400 million ye...

OCR 2023 GCSE Biology B Twenty First Century Science J257/04: Depth in Biology (Higher Tier) Question Paper & Mark Scheme (Merged) BIOLOGY B TWENTY FIRST CENTURY SCIENCE Please write clearly in black ink. Do not write in the barcodes. Centre number Candidate number First name(s) Last name Oxford Cambridge and RSA Friday 9 June 2023 – Afternoon GCSE (9–1) Biology B (Twenty First Century Science) J257/04 Depth in Biology (Higher Tier) Time allowed: 1 hour 45 minutes INSTRUCTI...

WSU Biology 106 Exam 1 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 and nodes. What are nodes? - T...

Biology 1108 final exam Questions and Answers 100% Pass Monophyletic Group - Correct Answer ️️ -includes all the descendants of a common ancestor, and its considered a natural grouping of organisms based on a shared ancestry. Paraphyletic Group - Correct Answer ️️ -some (not all) of descendants of a common ancestor Polyphyletic Group - Correct Answer ️️ -organisms from distinct lineages based on shared characters, but no common ancestor Homologies - Correct Answer ️️ -si...