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BotanySC:Ch.1
What is Plant Biology?
| Term | Definition |
|---|---|
| Botany | Study of plants |
| What is are the Greek words related to Botany? | Botanikos (Botanical), Botane (Plant/Herb), Boskein (To feed) |
| What is the French word related to Botany? | Botanique (Botanical) |
| Hypothesis | Tentative, unproven explanation for something that has been observed |
| Data | Bits of information |
| Principle | Data accumulated and may lead to the formulation of a useful generalization |
| Theory | Group of generalizations (principles) that helps us understand something |
| Paleobotany | The study of plant fossils |
| Plant Taxonomy | Involves describing, naming, and classifying organisms; science of developing methods for grouping organisms; oldest branch of plant study |
| Plant Geography | Study of how and why plants are distributed where they are, did not develop until 19th century |
| Plant Ecology | Study of the interaction of plants with one another and with their environment |
| Plant Morphology | Study of form and structure of plants |
| Genetics | The science of heredity |
| Genomics | Focuses on genes and their function, has burst onto genetics scene and how it impacts nearly all genetic research |
| Cell Biology | (also, Cytology) is the science of cell structure and function |
| What percentage of the biomass constitutes for plant life? | Plant life constitutes more than 98% of total biomass |
| Biomass | Collective dry weight of living organisms |
| What is the interaction between plants, animals, and humans? | Plants absorb light for energy, and humans eat plants and animals who eat plants; all living organisms are totally dependent on green organisms |
| Overpopulation | Earth remains constant in size but human population continues to grow |
| Do humans leave an impact on the environment? | Yes, human beings have had a major impact on the environment, mostly negative; humans have dumped wastes and pollutants |
| What do plants provide? | Plants provide oxygen, food, shelter, clothing, industrial products, and medicine; human activities threaten this |
| What is important about microscopic organisms? | Microorganisms play a vital role in recycling plant and animal wastes, and aid in the building of healthy soil |
| What is science? | Broadly defined as "a search for knowledge of the natural world" |
| What are botanists? | Botanists are scientists who study plants |
| What lead to botany becoming a science? | Curiosity about how plants reproduced and how they were put together lead to "it" becoming a science |
| What does science involve? | Science involves observation, recording, organization, and classification of facts and more important, involves what is done with the facts |
| What is the scientific procedure? | Involves process of experimentation, observation, and verifying/discarding of info. chiefly thru inductive reasoning |
| What is the scientific method? | Question -> Hypothesis -> Experiments -> Theory; describes the procedures of developing and testing hypotheses |
| What does testing the hypothesis determine? | Testing determines correct or incorrect |
| When will a hypothesis be accepted? | To be accepted, experiments to test hypothesis must be repeatable and capable of being duplicated |
| What are the two forms of an experiment? | Variable and Control Group |
| Plant Anatomy | Chiefly concerned with internal structure of plants |
| Who is Marcello Malpighi? | Described various tissues in stems and roots |
| Who is Nehemiah Grew? | Described of wood more precisely |
| Uses for Plant Anatomy? | Plant anatomy can be used to find clues of the past and also used to solve crimes |
| Plant Physiology | Concerned with plant function |
| Who is J.B. van Helmont? | Established Plant Physiology; first to demonstrate that plants do not have the same nutritional needs as animals |
| What was Helmont´s experiment and conclusion? | Experimented on willow tree; concluded that the tree had added to its bulk and size from water being absorbed |
| What is wrong with Helmont´s conclusion? | Now known that the growth of the willow tree was due to photosynthetic activity |
| Who is Carolus Linnaeus? | Credited for present system of naming and classifying plants |
| What is related to Plant Taxonomy? | It is related to Plant Systematics but broader |
| What is the book ´Silent Spring´? | This book, by Rachel Carson, increased public awareness of Plant Ecology; Contains more than 500 new toxic chemicals used by U.S. as pesticides; detailed how these chemicals and others have negative impacts on the environment |
| Who is Gregor Mendel? | Gregor Mendel was a monk who studied genetics through pea plants |
Created by:
Siegmund_Agarrado
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