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QU: What is a scavenger? *Need to make up your test? Come talk to me* **Chapter 15 Quest on Tuesday May 14 th ** OBJ: Intro to Ecology. WedNesday May 7 th 2014. Biodiversity. Variety of Life on Earth. Categories of Organisms in an Ecosystem. Producers.

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wednesday may 7 th 2014

QU: What is a scavenger?

*Need to make up your test? Come talk to me*

**Chapter 15 Quest on Tuesday May 14th**

  • OBJ: Intro to Ecology
WedNesday May 7th 2014
biodiversity

Biodiversity

Variety of Life on Earth

producers

Producers

Organism which makes its own food (plants)

consumers

Consumers

Organism which must eat another organism

herbivore

Herbivore

Consumer which eats plants (producers)

carnivore

Carnivore

Consumer which eats other animals

omnivore

Omnivore

Consumer which eats plants and animals.

decomposer

Decomposer

Consumer which breaks down the remains of another dead organism into unrecognizable materials.

predator

Predator

Carnivore which hunts other organisms for food

scavenger

Scavenger

Carnivore which finds and eats already dead organisms

biomass

Biomass

Organic material manufactured by producers.

trophic level

Trophic Level

Feeding level in an

ecosystem.

thursday may 8 th 2014

QU: Keeping a food web in mind, why would a more diverse ecosystem be better?

  • OBJ: Ch15 Notes, Fluctuations of a Food Web,
Thursday May 8th 2014
food web

Food Web

A pattern of energy transfer in an ecosystem consisting of multiple varieties of food chains.

Hawk

Cottonwood Tree

Rabbit

Leaf Hopper

Sun

Sunflower

Grasshopper

Frog

Snake

Sage Brush

Coyote

Mouse

food chain

Food Chain

Pathway of energy from one trophic level to another

Sun

Flower

Grasshopper

Frog

Snake

energy pyramid

Energy Pyramid

A diagram that shows the relationships of quantities of energy that flow through an ecosystem.

slide21

CHAPTER 15 NOTES

  • Male Donkey + Female Horse = Mule

Biological Species Concept: A species is a group of organisms that can breed and produce fertile offspring.

speciation
Speciation
  • The creation of a new species is considered SPECIATION.
barriers to producing offspring
Barriers to producing offspring -
  • Reproductive Isolation –
    • Timing – Different Breeding Seasons Ex. Jan. or Feb
    • Behavior – Different Mating Rituals ex. Mating calls
    • Habitat – Different habitats in the same geographical location
geographic isolation
Geographic Isolation

Barriers to producing offspring -

  • Plants vs. Animals
    • stationary vs. mobile
the more barriers more speciation
The more barriers-more speciation
  • Speciation: the gradual change into two separate species
  • More barriers less likely to exchange genetic material
  • Less sharing of material-more differences occur
  • The more differences the more likely we will create two new species
friday may 9 th 2014

QU: Describe a species.

HW: Due on Monday!!

  • OBJ: Over Ch 14 Test, Taxonomy
Friday May 9th 2014
where are you from

Answers usually vary depending where you are at that point.

    • Michigan?
    • Another state?
    • Another country?
    • Another planet?
Where are you from?
can be confusing

Saying where you are from can be confusing…

  • Imagine trying to name every individual species…
    • Special way to classify all organsims!!
      • Called TAXONOMY…what you will be reading about today
Can be confusing…..
monday may 12 th 2014

QU: Why do common names present problems to scientists?

Chapter 15 and 36 Test on THURSDAY!!

  • OBJ: Taxonomy and the 3 Domains
Monday May 12th 2014
dichotomous key

A dichotomous key is a tool that allows the user to determine the identity of items in the natural world.

  • Keys consist of a series of choices that lead the user to the correct name of a given item.
Dichotomous Key
how i remember the order

King Peter Came Over For Good Soup

  • King Phyla Class Order Family Genus Species
How I remember the order
tuesday may 13 th 2014

QU: Describe how a phylogenetic tree differs from a dichotomous key.

**Ch 15 and 36 Quest Thursday**

*Ch Review Due Thursday*

  • OBJ: Domain Notes and Over Homework
Tuesday May 13th 2014
differences in domains

Three Domain System

  • Archaea Domain
    • Archaebacteria Kingdom
  • Bacteria Domain
    • Eubacteria Kingdom
  • Eukarya Domain
    • Protista Kingdom
    • Fungi Kingdom
    • Plantae Kingdom
    • Animalia Kingdom
Differences in domains….
the domains

Archaea Domain

    • microscopic organisms
    • single-celled prokaryotes.
    • exist under some of the most extreme conditions
THE Domains
slide43

Bacteria Domain

    • Prokaryotic organisms

THE Domains

slide44

Eukarya Domain

    • Eukaryotic cells
    • Unicellular (protists) or Multicellular (most Fungi, Plantae, and Animalia)

THE Domains

eukarya kingdoms

Protista: Usually unicellular, highly specialized

  • Fungi: Multicellular, cell wall, lack of mobility.
  • Plantae: Multicellular, cell wall, larger, autotroph
  • Animalia: Multicelluar, no cell wall, mobile
Eukarya Kingdoms…
binder check ecology

All Handwritten notes

  • Food Chains and Webs
  • Food Webs and Chains Homework
  • Desktop Esutary
  • Taxonomy Worksheet: Chapter 15 Section 4
  • Dichotomous Key Homework
  • Chapter 15 Review
BINDER CHECK : Ecology
thursday may 15 th 2014

QU: How did you study for this test?

*Chapter review in homework bin*

  • OBJ: Ch 15 & 36 Quest
Thursday May 15th 2014
macroevolution and speciation

Macroevolutionand Speciation

Section 15.1 and 15.2

punctuated equilibrium
Darwin – Evolution occurs gradually
    • Called Gradualism
    • BUT: Fossil evidence is missing transitions

SO………………….

  • Punctuated Equilibrium – Evolution can be rapid.
    • Evolution is in spurts.
    • Rapid is still 10,000’s of years.
Punctuated Equilibrium