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Ecosystem notes. Bell ringer P. 618 B “Target your reading” 1-9 please write A if you agree with the statements and D if you do not agree with the statements.

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Presentation on theme: "Ecosystem notes. Bell ringer P. 618 B “Target your reading” 1-9 please write A if you agree with the statements and D if you do not agree with the statements."— Presentation transcript:

1 Ecosystem notes

2 Bell ringer P. 618 B “Target your reading” 1-9 please write A if you agree with the statements and D if you do not agree with the statements

3 8/21/09 Bellringer--Ecosystem– vocab visuals – p. 731 glossary Write all book definitions first before drawing pictures WordBook definitionpicture Biotic factor Abiotic factor Biosphere Ecology Ecosystem

4 Bellringer--Ecosystem– vocab visuals – p. 731 glossary Write all book definitions first before drawing pictures Word Book definition Biotic factorliving parts of an ecosystem Abiotic factornonliving parts of an ecosystem Biospherepart of Earth that supports life, including the top portion of Earth’s crust, the atmosphere, and all the water on Earth’s surface Ecologystudy of the interactions that take place among organisms and their environment Ecosystemall the living organisms in an area, as well as the nonliving parts of their environment; community of organisms that interact with each other

5 biotic Living parts of the ecosystem Also, those things that were once living Plants, animals, bacteria

6 Abiotic nonliving parts of the ecosystem Sunlight, water, temperature, soil, air “A” means “not”

7 “What’s in the scene?” Abiotic vs. Biotic Make two columns and label one “abiotic” and the other one “biotic” Examine the picture and write in each column as many abiotic and biotic factors as you can find

8 Bellringer On the coral reef ecosystem figure shown, which factor is biotic? a.rocksc.sea horse b.sandd.water On the coral reef ecosystem figure shown, which factor is abiotic? a.algaec.rock b.sharksd.sponges

9 Bell ringer An aquarium of turtles can be considered a small ecosystem. Which of the following is an example of how the turtles could interact with an abiotic part of the aquarium ecosystem? A. turtles eat insects you place in the aquarium B. turtles fight each other for food C. turtles move onto rocks heated by sunlight D. turtles pull into their shells when you startle them

10 Abiotic and biotic factors Divide into groups Make two lists on a piece of paper at the top abiotic and biotic Go outside and find as many abiotic factors and biotic factors and write on the list

11 Abiotic vs. biotic factors Draw a line to divide the poster in half and label one side biotic and the other side abiotic Cut out magazine pictures or make drawings to list different abiotic and biotic factors

12 ecosystem Can be very small such as a pile of leaves or large such as the biosphere

13 Biosphere Consists of all the land and water on earth as well as the atmosphere Largest ecosystem on earth

14 Ecosystems – vocab visuals – p. 731 glossary WordDefinitionpicture Limiting factor Habitat Niche Population community AdaptationA variation that makes an organism better suited to its environment

15 niche The role of an organism in its ecosystem What niche can a rotting log play in an ecosystem?

16 Limiting factors Anything that can restrict the size of a populaiton, including living and nonliving features of an ecosystem, such as predators or drought

17 Limiting factor activity Bear habitat activity

18 Limiting factor activity Bird activity with clips, beans, corn kernels, marbles

19 Bell ringer In a meadow ecosystem, hawks feed mostly on mice. When the mice population is small, there is less food for hawks, so the hawk population becomes smaller. When the mice population becomes smaller. When the mice population grows. The number of hawks also grows. For the hawk population, the number of mice in this meadow is an example of a A. Niche B. Habitat C. Producer D. Limiting factor

20 Community and population community- all the populations that live in an ecosystem Population-a group of the same type of organisms living in the same place at the same time

21 population What kind of populations will you find in a forest ecosystem?

22 Population Brain pop movie clip: “Population growth” hill.com/sites/dl/free/ /160350/ htmlhttp://glencoe.mcgraw- hill.com/sites/dl/free/ /160350/ html hill.com/sites/ /student_view0/ brainpop_movies.html#http://glencoe.mcgraw- hill.com/sites/ /student_view0/ brainpop_movies.html#

23 Bell ringer What was the approximate population density of the prey population in April and May? A) 8 B) 12 C) 10 D) 14 3 In which month was the prey population the lowest? A) April B) November C) February D) December

24 bell ringer During which season did the rose insect population grow the fastest? A) spring B) summer C) fall D) winter

25 Ecosystem video C7BA106DA46&blnFromSearch=1&prod uctcode=UShttp://player.discoveryeducation.com/index.cfm?guidAssetId=0B666D65-13A0-46AD C7BA106DA46&blnFromSearch=1&prod uctcode=US Biology: The Science of Life: Ecology: Organisms in Their Environment

26 Ecosystems video Brain pop video on “ecosystems’” ndbehavior/ecosystems/http://www.brainpop.com/science/ecologya ndbehavior/ecosystems/ Video discusses ecosystems, habitats, communities, populations

27 Organism _____ Population ___________ Community _____________ Habitat _____________________ Ecosystem ______________________

28 Ecosystems- vocab visuals– glossary p. 731 WordBook definitionpicture Producer Consumer Decomposer Food webOverlapping food chains in an ecosystem Energy pyramid

29 Ecosystem video Give 3 examples of decomposers, producers, and consumers in the video

30 Virtual lab-food chain Text virtual lab hill.com/sites/ /student_view0/ unit6/chapter21/virtual_lab.htmlhttp://glencoe.mcgraw- hill.com/sites/ /student_view0/ unit6/chapter21/virtual_lab.html Match organisms to their role in a food chain / web

31 Food web Overlapping food chains in an ecosystem Remove one organism- the consumers that eat the removed organism will decrease, the organism that is eaten by the removed organism will increase

32 Food web s/foodchain/

33 Food web Example: Grass mice snake hawk Analyze the food chain above and describe what would happen if you removed one organism

34 Food web Human food web activity in folder

35 Bell ringer To complete food chain 1 in the figure shown, you would draw an arrow from _____ to Plant. a.Dead Birdc.Insect b.Hawkd.Sunlight To complete food chain 2 in the figure shown, you would draw an arrow from _____ sunlight to Hawk. a.Bacteriac.Plant b.Dead Birdd.Snake

36 Bell ringer To complete food chain 3 in the figure shown, you would draw an arrow from Bird to _____. a.Bacteriac.Hawk b.Dead Plantd.Sunlight

37 In this ocean food web, which animal does not eat krill? a.fishc.squid b.planktond.whales In this ocean food web, which animal do whales eat? a.krillc.penguins b.Orcasd.squid

38 List the first-level consumer. List the second-level consumers. List the third-level consumers.

39 Symbiosis P. 45 Ecology chapter resources Chart with 3 mc questions Mutualism- both organisms benefit Commensalism-one organism benefits, the other is not harmed nor helped Parasitism-one organism benefits, the other is harmed

40 web quest hill.com/sites/ /student_view0/ unit6/webquest_projects.htmlhttp://glencoe.mcgraw- hill.com/sites/ /student_view0/ unit6/webquest_projects.html “Barrier islands: To build or not to build” Students research to write a letter to the editor supporting or against barrier island development

41 Bell ringer The figure shown illustrates a _____. a.communityc.limiting factor b.ecosystemd.population density The biotic and abiotic factors in the figure shown share a _____. a.communityc.population b.habitatd.shelter In the figure shown, _____ an abiotic factor. a.birds arec.insects are b.flowers ared.rainfall is Which of these factors is biotic? a.insectsc.sunlight b.waterd.soil

42 Vocab. quiz 1. I am the nonliving part of an ecosystem 2. I am the living part of an ecosystem 3. I am any living thing. 4. I am organisms interacting with one another and with nonliving factors 5. I am the part of earth where organisms can live

43 Vocab. quiz 1. I am the role of an organism in an ecosystem 2, I am the things that limit the size of a population 3. I am all of the populations in an area put together 4. I am a group of the same types of organisms

44 Vocab. quiz 1. I am a series of overlapping food chains 2. I use dead organisms and the waste materials of other organisms for food 3. I eat other organisms 4. I make my own food


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