英語基礎(chǔ)教程BiologyClassification課件

1、ChlorophyllMakes plants greenLets them turn the energy from the sun into foodPlants also need water and minerals from soil and Carbon dioxide from the airPlant cell Nucleus: cell control Mitochondrion: cell energy processorVacuole: storage space for water, food and wastes Chloroplast: contains chlor

2、ophyll Cell wall: surrounds the plant cell Cell membrane: holds the cell togetherCell membrane: holds the cell together Nucleus: Cell control centerMitochondrion: Cell energy processor Vacuole: Storage spaceCells are organized into tissues Tissues carry water and mineralsGroups of cells that do the

3、same thingWhat is Classification?What do you know that is classified?It is a way to group or divide thingsThe science of finding patterns among living thingsWe will see that living things can be divided or classified into 5 groups or kingdoms Plant kingdom:Old names divided into 3 Herbs (small), shr

4、ubs (middle), tree (big)They only used size to classify them Now: Vascular and NonvascularVascular: water is taken in by the plants rootsThe water moves up a set of tubes to the plants leaves, flowers or other partsThe food made in leaves moves down another set of leaves The “vascular tubes” in plan

5、ts are like the ones in humansThe tubes bring food and blood to different types of the body Nonvascular plants dont have these tubesSeed vs non seed plantsIn vascular plants the are more specific classifications.Classificationsare ways to group thingsthat are theSame togetherFrom seed plants you can

6、 classify into:Conifers, flowering plants, gingkos, cycads, GnetaeClassifying the plant kingdom to seed plants is more specificLess specific than plant kingdom are organismsWithin organisms there are 5 separate kingdomsAnimals, Plants, Fungus, Protist, BacteriaFungus KingdomOne celled or many celled

7、Does not make its own foodAbsorbs or takes in food from decaying (rotting) dead organisms and wastes in its environmentGood things about fungusTaste good, great flavorHave chemicals to fight diseaseHelp bread rise (yeast), turn cheeseBreak down dead plants and animals. This helps clean up the enviro

8、nmentBad things about fungusPoisonousAthletes footFood poisoning4) Bathroom fungus (mold)There are three classifications in the fungus kingdom1) yeasts, morels, and mildews2) Molds3) Mushrooms, smuts, rusts Protists Microscopic thing, seaweed and green pond scum Most live in water, some on landSome

9、single celled, swim in the water looking for other living things to eat some single celled, swim around and contain chlorophyll so they can get food from the sunA third type is like seaweed. They are many cells linked together and contain chlorophyllSeaweed is an example of many cells the same linked togetherBacteria KingdomThese are the tiniest living thingsThey are simple and can cause harm and can also be goodThey can cause infections, and some are needed for animals and plants to surviveBacterium (singular)You can only see it unde