UT Arlington BIOL BIOL 3427 - Exam 1 Study Guide (11 pages)

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Exam 1 Study Guide



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Exam 1 Study Guide

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This lecture note details consists of specific questions from lectures 1-7 and outlines the most important concepts consisting of Angiosperm and Angiosperm evolution, Plants and People (Agriculture) , Organic molecules, Early development of Plant body, and cells and tissues of the plant body. Plant Science Study Guide


Pages:
11
Type:
Study Guide
School:
University of Texas at Arlington
Course:
Biol Biol 3427 - Plant Science
Edition:
1

Unformatted text preview:

BIOL 3427 Exam 1 Study Guide Lectures 1 7 Lecture 1 August 21 An introduction What is a plant A plant is a multicellular and eukaryotic member of the kingdom known as plantae and consists of organisms that produce their own food photosynthetic autotrophs through photosynthesis are typically non mobile do not have sensory organs i e ears and eyes brains or a central nervous system They also have roots stems and leaves or more rudimentary organs with similar functions Examples of plants would be grasses trees vines etc What is photosynthesis The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct This equation represents photosynthesis 3CO2 6H2O light C3H6O3 3O2 3H2 What organisms participate actively in photosynthesis Organisms that actively participate in photosynthesis include plants Algae and some bacteria etc What are some ecological benefits of plants to humans Some benefits of plants to humans include a source of food energy clothing furniture and shelter fossil fuels paper drugs oxygen and sensory appeal Where and approximately how long ago did plants evolve Since the Earth is approximately 4 6 billion years ago some of the earliest fossils of plants were found 3 5 billion years ago in the Western Sahara What did the ancestors of the first cells look like The first ancestors of cells were simple aggregations of molecules that resembled bacteria Organic molecules were formed by rain lightening and accumulated in oceans They resembled droplets and were the forerunners of primitive cells What are the main characteristics of living things The main characteristics of living things include the ability to grow the ability to reproduce the ability to pass on their characteristics to subsequent generations heredity and cellular organization What are some of the consequences of oxygen in the



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