121. Evolution Quiz 122. Evolution Notebook check starts 5/9 123. Classification Notes 4/29 and 5/2...
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Transcript of 121. Evolution Quiz 122. Evolution Notebook check starts 5/9 123. Classification Notes 4/29 and 5/2...
• 121. Evolution Quiz• 122. Evolution Notebook check starts 5/9• 123. Classification Notes 4/29 and 5/2• 124. Dichotomous Key 4/29 and 5/2• 125. Prokaryotic VS. Eukaryotic• 126. Kingdoms and Domains• 127. Classification Review due 5/9 and 5/10• 128. Diversity of Life Foldable Rubric• 129. Plants• 130. Plant Reproduction
Diversity of Life
• Taxonomy = classification of organisms in different categories based on characteristics
• How many species are there????• Carolus Linnaeus: proposed a taxonomic
hierarchy to categorize organismsHuman Wolf
Kingdom Animalia AnimaliaPhylum Chordata ChordataClass Mammalia MammaliaOrder Primata CarnivoraFamily Hominidae CanidaeGenus Homo Canis
Species sapiens lupus
Who is most related?
–Binomial nomenclature = naming system•uses two Latin names coming from hierarchy: Genus species•Scientific name for Humans =–Homo sapiens
GENUS NAME SPECIES NAME
1. Lutra lutra2. Felis catus3. Ursa horribilis4. Dionaea muscipula 5. Panthera pardus 6. Apis mellifera 7. Canis familiaris8. Equus caballus 9. Agkistrodon contortrix10. Toxicodendron radicans 11. Streptococcus pyogenes12. Canis latrans 13. Orcinus orca14. Rana catesbeiana
a) Catb) Copperhead snakec) Poison Ivyd) Coyotee) Horsef) Killer whaleg) Otterh) Dogi) Bullfrogj) Honeybeek) Grizzly Bearl) Venus Fly-Trapm) Strep-throat-causing Bacteria n) Leopard
SCIENTIFIC NAME GAME
• A device that can be used to easily identify an unknown organism.
• Comes from two Greek words that mean "divided in two parts“
• Gives you two choices in each step.
Dichotomous Key
1. a. Has pointed ears .............................................. go to 3
b. Has rounded ears .............................................go to 2
2. a. Has no tail ........................................Norno Kentuckyus
b. Has tail ....................................................Norno Dakotus
3. a. Ears point upward ............................................go to 5
b. Ears point downward .......................................go to 4
4. a. Engages in waving behavior ......................Norno Dallus
b. Has hairy tufts on ears .........................Norno Californius
5. a. Engages in waving behavior ................Norno WalaWala
b. Does not engage in waving behavior ................go to 6
6. a. Has hair on head ...................................Norno Beverlus
b. Has no hair on head (may have ear tufts) ......go to 7
7. a. Has a tail .................................................Norno Yorkio
b. Has no tail, aggressive ..................................Norno Rajus
• A new taxonomic category• Domains are more-inclusive than
kingdoms
THE THREE-DOMAIN SYSTEM
1. Bacteria – unicellular, prokaryotic, very diverse
2. Archaea – unicellular, prokaryotic, live in extreme environments
3. Eukarya – consists of all organisms whose cells contain a nucleus
1. Animalia2. Plantae3. Fungi4. Protista5. Archaebacteria6. Eubacteria
6 Kingdoms of Life
= prokaryotic cell= contain eukaryotic cells
Eubacteria
Archaebacteria
PROTISTA
FUNG
I
PLANTA
E
ANIMALI
A
DomainCell TypeCell WallPresent
Cell Wall Content# of Cells
Mode of NutritionExamples
Part 2: Look at page 467 in your textbook. Write the answers to the questions.
1.
2.
3.
4.
5.
6.
7.
8.
Part 1:
Part 3: Use Chapter 18.3 Review1. In which domain would you classify the following
organism: autotrophic, no nucleus, has peptidoglycan in its cells walls?
2. How many cells do Archaea organisms have?3. What makes fungi different from protists?4. What sets Animalia apart from all other kingdoms?5. Which kingdom is most closely related to plants?6. Which kingdom is the “least satisfying classification?”
Why?7. Why was the original bacteria kingdom of Monera
divided into 2 separate kingdoms?8. Which two kingdoms contain organisms that are
non-motile (unable to move from place to place)?9. As the only prokaryotic kingdoms, how Eubacteria
and Archaebacteria differ from the other 4 kingdoms?
10.Which 2 kingdoms only includes heterotrophs?
Part 4: Look at page 463 in your textbook.
Identify the leaves using the given
dichotomous key.
I.
II.
III.
IV.
V.
VI.
VII.
•ARTHROPODS•ANNELIDS•BACTERIA VS. VIRUSES• PROTISTS•VERTEBRATE ANIMALS• PLANTS (on back)
Diversity of Life#128 Foldable Rubric
• Provide base for food chains• Provide oxygen• Multi-cellular• Eukaryotes• Contain cell walls made of cellulose• Autotrophic (contain chloroplasts)• 2 Main Divisons1. Vascular – contain tissues that carry
water/food through plant2. Non-vascular – no vascular tubes, rely on
diffusion, live near water, small, short
PLANTS #129
• Vascular Tissue = carry materials–Xylem = carries water through plant –Phloem = carries food/nutrients through
plant• Leaves – make food• Roots – absorb water and nutrients from soil• Stems – supports plant; connects leaves and
roots• Seeds – created when pollen fertilizes ovule;
protect developing embryo
Special plant structures
1. Mosses – seedless, non-vascular (Bryophytes)2. Ferns – seedless, reproduce using spores,
vascular3. Gymnosperms –produce seeds on CONES,
vascular4. Angiosperms – flowering plants, vascular– Produce seeds INSIDE the plant– FLOWERS = Reproductive organs– Seeds are protected by OVARY (becomes the
fruit)
4 groups of PLANTS
• Reproduce asexually – vegetative propagation: new individuals arise
without production of seeds or spores• Or mainly sexually using pollen and ovules–Alternation of generations• Sporophyte – diploid plant, makes haploid
spores by meiosis• Gametophyte – haploid plant, makes gametes
(pollen or ovule) which will fuse to make new sporophyte• See drawing on board!
Reproduction
• Plant Reproduction Video• Use Page 6 for Reproductive Structures• Label next slide with name & function.• 1. Peduncle: attaches stem to flower• 2. Receptacle: expanded flower stalk• 3. Sepals• 4. Petals
PLANT reproduction #130