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Five kingdom system

This is the most common way of grouping living things based on simple distinctive characteristics. Classification systems are always changing as newinformation is made available. Modern technologies such as electron microscopy make it possible to observe microscopic organisms in greater detail. Thecurrent system was developed by Robert H. Whittaker in 1969 and was built on the work of previous biologists such as Carolus Linnaeus. The highest groupingis called a kingdom .

Five kingdoms: http://www.tutorvista.com/content/biology/biology-iii/modern-classification /five-kingdom-classification.php

Bug scope: Images of microscopic organisms http://bugscope.beckman.uiuc.edu/

Neok12: Animals and wildlife videos http://www.neok12.com/Animals-Wildlife.htm

Encyclopedia of life: Images and explanations of terms http://eol.org/index

Living things can be classified into five major kingdoms:

Kingdom Monera (Bacteria)

Kingdom Protista

Kingdom Fungi

Kingdom Plantae

Kingdom Animalia

http://www.youtube.com/watch?v=5uJ8QeFRvJA&feature=related A video showing a brief summary of the five kingdoms

Distinctive features of the five kingdoms

Kingdom monera

  • Prokaryotic, unicellular.
  • No nuclear membrane or membrane bound organelles such as

chloroplasts, Golgi complex, mitochondria and endoplasmic reticulum.

  • Have a cell wall made without cellulose.
  • Reproduction is mainly asexual by binary fission.
  • Important examples: Archaea, cyanobacteria (blue-green algae), bacteria

Interesting fact: Bacteria are found everywhere and are the most numerous organisms on Earth. In a single gram of soil, there are about 40 millionbacterial cells. The human body also contains 10 times as many bacterial cells as human cells!!

Kingdom protista

  • Eukaryotic, can be unicellular or simple multicellular.
  • Reproduction can be asexual or sexual.
  • Important examples: Plasmodium (causes malaria), amoeba, euglena

Kingdom fungi

  • Eukaryotic, multicellular (some unicellular like yeasts).
  • Have a cell wall made of chitin.
  • Non-motile with long extensions called hyphae.
  • Nutrition is heterotrophic: important as decomposers (saprophytes), can be parasitic.
  • Store food as glycogen
  • Reproduction is by spore formation (both asexual and sexual).
  • Important examples: Mushrooms, Penicillium (a fungus which was used to make penicillin), bread mould

http://blog.ted.com/2008/05/06/paul_stamets/ A TED video on the many uses of Fungi

Kingdom plantae

  • Eukaryotic, multicellular.
  • Distinct cell wall made of cellulose.
  • Have plastids and photosynthetic pigments such as chlorophyll.
  • Non-motile.
  • Nutrition is autotrophic (make their own food by photosynthesis).
  • Sexual reproduction.
  • Important examples: Green algae, mosses, ferns, conifers, flowering plants.

Kingdom animalia

  • Eukaryotic and multicellular but have no cell wall or photosynthetic pigments
  • Mostly motile
  • Heterotrophic nutrition.
  • Sexual or vegetative (asexual) reproduction
  • Important examples: Porifera (sponges), Mammalia, Insects

Additional resource:

Projects and assignments:

1. Research one beneficial and one harmful application of one member from each kingdom, with examples from their use in South Africa. Students can be groupedinto smaller groups and each one is given one kingdom to research. (Use www.arkive.org as a research tool for your favourite animal or plant or http://bugscope.becnkman.uiuc.edu/ for nice pictures of insects). Results can be presented in the form of a poster.

2. Go to your nearest supermarket or garden and find one representative organism for each kingdom. Present this information by drawing diagrams.

Questions & Answers

what is the meaning of function in economics
Effah Reply
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Is the degree to the degree of responsiveness of a change in quantity supplied of goods to a change in price
Afran
Discuss the short-term and long-term balance positions of the firm in the monopoly market?
Rabindranath Reply
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A firm is a business entity which engages in the production of goods and aimed at making profit.
Avuwada
What is autarky in Economics.
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So how is the perfect competition different from others
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1
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The short run is a period of time in which the quantity of at least one inputs is fixed...
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Elacisity
salihu
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It will creates rooms for an effective demands.
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different between production and supply
babsnof
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Economics is a science which study human behavior as a relationship between ends and scarce means which has an alternative use.
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Demand refers to the quantity of products that consumers are willing to purchase at various prices per time while Supply has to do with the quantity of products suppliers are willing to supply at various prices per time. find the difference in between
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Please what are the effects of rationing Effect of black market Effects of hoarding
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monoply is amarket structure charecrized by asingle seller and produce a unique product in the market
Cali Reply
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I want to know wen does the demand curve shift to the right
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demand curve shifts to the right when there's an increase in price of a substitute or increase in income
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freshwater
the Law of supply: states that all factor being equal, when the price of a particular goods increase the supply will also increase, as it decreases the supply will also decrease
kin
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opportunity cost: is a forgone alternative
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Monopoly is where is one producer produces a given product with no close substitute
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if you borrow $5000 to buy a car at 12 percent compounded monthly to be repaid over the next 4 year what is monthly payment
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Researchers demonstrated that the hippocampus functions in memory processing by creating lesions in the hippocampi of rats, which resulted in ________.
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Source:  OpenStax, Siyavula: life sciences grade 10. OpenStax CNX. Apr 11, 2012 Download for free at http://cnx.org/content/col11410/1.3
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