unit 5, lesson 5.1 - characteristics of ecological systems
TRANSCRIPT
![Page 1: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/1.jpg)
Characteristics of Ecological SystemsUNIT FIVE, LESSON 5.1
BY MARGIELENE D. JUDAN
![Page 2: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/2.jpg)
LESSON OUTLINELevels of Biological Organization: Focus on Ecology (Review)
Ecosystem
![Page 3: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/3.jpg)
Life is complex, yet it is organized.
![Page 4: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/4.jpg)
![Page 5: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/5.jpg)
AtomMolecule
OrganelleCell
TissueOrgan
Organ System
OrganismPopulation
CommunityEcosystem
Biosphere
(usually lifeless but essential to formation of life)
(mostly living)
![Page 6: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/6.jpg)
PopulationCommunity
EcosystemBiosphereBut on this unit,
we will focus our study on ecological systems.
![Page 7: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/7.jpg)
1. Population
Definition Examples
A group of organisms of the same species, living in the same area
Coyotes in Yosemite Nat. Park, dogs in Baesa
Atom > Molecule > Organelle > Cell > Tissue > Organ > Organ System > Organism > Population > Community > Ecosystem >Biosphere
![Page 8: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/8.jpg)
2. Community
Definition Examples
The interacting,living populations, that live in the same area
All the populations (plants, animals, fungi, bacteria) in Yosemite
Atom > Molecule > Organelle > Cell > Tissue > Organ > Organ System > Organism > Population > Community > Ecosystem >Biosphere
![Page 9: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/9.jpg)
3. Ecosystem
Definition ExamplesA community of living organisms,and their non-living parts of the environment (energy, soil, etc.)
The Yosemite community plus its energy, soil, etc.
Atom > Molecule > Organelle > Cell > Tissue > Organ > Organ System > Organism > Population > Community > Ecosystem >Biosphere
![Page 10: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/10.jpg)
4. Biosphere or ecosphere
Definition ExamplesThe zone of life on planet Earth. The sum of all ecosystems on Earth; largest ecosystem
The earth’s biosphere (it’s the only biosphere yet discovered)
Atom > Molecule > Organelle > Cell > Tissue > Organ > Organ System > Organism > Population > Community > Ecosystem > Biosphere
![Page 11: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/11.jpg)
ComparisonPopulation same species + same area
Community different species + same area
Ecosystem different species + same area + non-living things
Biosphere all ecosystems (earth)
![Page 12: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/12.jpg)
![Page 13: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/13.jpg)
![Page 14: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/14.jpg)
![Page 15: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/15.jpg)
![Page 16: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/16.jpg)
Example: Area - HousePopulation same species + same area
Population of rats, population of ants, population of humans
Community different species + same area
All the rats, ants, insects, and people in the house
Ecosystem different species + same area + non-living things
All the rats, ants, insects, people, non-living things like cabinet, cooking utensils, etc. at home.
![Page 17: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/17.jpg)
Recitation: Classify whether it is a population, community, or an ecosystem.1. An aquarium filled with goldfish, koi, plants and rocks.
Answer: Ecosystem (An ecosystem consists of both living and non-living things)
![Page 18: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/18.jpg)
Recitation: Classify whether it is a population, community, or an ecosystem.2. A species of rabbits in a cage
Answer: Population (A population is composed of the same species in the same area)
![Page 19: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/19.jpg)
Recitation: Classify whether it is a population, community, or an ecosystem.3. All my pets (fishes, dogs, cats) in our house.
Answer: Community (A community consists of different species living in the same area. It cannot be a population since there are different species living in the area like fishes, dogs and cats)
![Page 20: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/20.jpg)
Recitation: Classify whether it is a population, community, or an ecosystem.4. The zoo.
Answer: Ecosystem (An ecosystem consists of both living and non-living things. In the zoo, we can see different species of animals as well as non-living things like rocks, soil, etc.)
![Page 21: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/21.jpg)
Recitation: Classify whether it is a population, community, or an ecosystem.5. Different plants in the park.
Answer: Community (A community consists of different species of living things including plants. It is not an ecosystem, although the park is mentioned, because only the plants are being referred to)
![Page 22: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/22.jpg)
Recitation: Classify whether it is a population, community, or an ecosystem.6. A farm
Answer: Ecosystem (A farm consists of both living and non-living things like wheat, snails, soil, water, and sunlight)
![Page 23: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/23.jpg)
The environment
consists of living and non-living
things.
![Page 24: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/24.jpg)
Living things are called biotic
factors.
Non-living things are
called abiotic factors.
![Page 25: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/25.jpg)
A habitat is any place where an organism
lives.
![Page 26: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/26.jpg)
In a habitat, there can be
many populations
living.
![Page 27: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/27.jpg)
For example, in a savannah, we
could see a population of
plants, elephants, and giraffes living.
![Page 28: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/28.jpg)
In our biosphere (earth), there are a variety of smaller functional units called ecological
system. Examples are lake, forest,
grassland, savannah, tundra,
etc.
![Page 29: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/29.jpg)
Conditions for a stable, self-sustaining, and self-regulating ecosystem:1. There is a constant supply of energy (via sun, food, etc.)
2. There is a living system capable of incorporating this energy into organic compounds (ex. plants, bacteria)
3. There is a living system capable of passing this energy from one organism to another (ex. plants, animals)
4. It carries the recycling of materials between the living and non-living components of the environment (ex. decomposers)
![Page 30: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/30.jpg)
Can you guess what is the largest ecosystem aside from the
biosphere?
![Page 31: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/31.jpg)
The oceans! Oceans occupy
more than three-fourths of the
earth’s surface. There are 700,000
to 1 million species living in
the oceans.
![Page 32: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/32.jpg)
Different population
occupy the same area and live
there successfully
because each of them fills an
specific niche.
![Page 33: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/33.jpg)
Niche pertains to the role of the organism
in the community.
It includes how and where they
eat, live, etc.
![Page 34: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/34.jpg)
Imagine what would have happened if humans were the
only living organisms on earth.
![Page 35: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/35.jpg)
We would die! Every living thing needs other living things to live. We need plants for
oxygen and animals for food,
etc. That’s called a symbiotic
relationship.
![Page 36: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/36.jpg)
As a young citizen of the country, do you know what is
your niche?
![Page 37: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/37.jpg)
Differentiated Summative Assessment Task: By groupRefer to pp. 184-185, product 3.
You’re going to make a poster promoting environmental awareness
Instead of using an LCD projector, bring your original artwork to the class next week.
You also need to post your artwork on Facebook.
50% of the criteria will come from the rubric on p.185, and another 50% for the number of likes on Facebook.
Total number of points = 40 pts
![Page 38: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/38.jpg)
Differentiated Summative Assessment Task: By groupRubric for Facebook likes
Number of Likes Points
More than 400 20 pts
301 to 400 18 pts
251 to 300 16 pts
201 to 250 14 pts
151 to 200 12 pts
150 and below 10 pts
![Page 39: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/39.jpg)
Differentiated Summative Assessment Task: By groupYou can post as early as tomorrow.
The total number of likes will be counted as of 9 PM on October 11 (Sunday).
Remember, 20 pts will come from the rubric on p. 185, another 20 pts on the Facebook Rubric.
![Page 40: Unit 5, Lesson 5.1 - Characteristics of Ecological Systems](https://reader033.vdocuments.us/reader033/viewer/2022051504/58eff4db1a28ab28258b45bf/html5/thumbnails/40.jpg)
Sources:Science Links 7
http://www.sciencemusicvideos.com/structure-and-function-levels-of-biological-organization-worksheet/
http://www.countrysideinfo.co.uk/successn/intro.htm