Presentation on theme: "Abiotic Factors & Food Webs"— Presentation transcript:
1Abiotic Factors & Food Webs Please wait to turn in your homework! Be in your seat when the bell rings!
2Question of the DayQuestion: What’s an example of an abiotic factor that has affected you today and how has it affected you? Answer: … … …Food pictures: pile next to trays3’s Turn in:A.Q. 1a, 2a, 3 on p. 7224-hour food list (Inv. 1.2)
3And Then The Rains CameDuring the video, make a list of all of the interactions between biotic and abiotic factors.pH, humidity
4Biosphere Cycles#22.Photosynthesis: how light energy is converted to chemical energy
5Biosphere Cycles#45Cellular respiration: how energy is released from chemical compounds
9A.Q. 1a, 2ab, 3 on p. 723. Question: The word autotroph comes from the Greek words autos, meaning “self,” and trophe, meaning “food or nourishment.” Knowing this, what do you think the Greek word, heteros, as in heterotroph, means?3. The Greek word heteros means “other,” or “different.”
10Inv. 1.2: Food Web Features you and your food log Minimum 25% of food cut-outs (collage); rest is colored drawingsNo formal lab write-up required
11A.Q. 1a, 2ab, 3 on p. 721a. Question: What are the two primary sources of energy that power living systems?1a. The two primary sources of energy that power living systems are solar energy and chemical energy
12A.Q. 1a, 2ab, 3 on p. 722a. Question: Explain how consumers obtain energy.2a. Consumers obtain energy by ingesting other organisms or the remains of other organisms.
13A.Q. 1a, 2ab, 3 on p. 722b. Question: How are detritivores different from decomposers? Provide and example of each.2b. Detritivores are different from decomposers because detritivores feed by eating detritus particles, while decomposers feed by chemically breaking down organic matter on which they live. An example of a detritivore is an earthworm and an example of a decomposer is a fungus.
14A.Q. 1a, 2ab, 3 on p. 723. Question: The word autotroph comes from the Greek words autos, meaning “self,” and trophe, meaning “food or nourishment.” Knowing this, what do you think the Greek word, heteros, as in heterotroph, means?3. The Greek word heteros means “other,” or “different.”
15A1 Lidia A2 Ben A3 Justine A4 Caleb B1 Anne B2 Kevin B3 Samuel B4 Sophie C1 William C2 Scott C3 Issac C4 Katie B. D1 Carl D2 Juliana D3 Katelyn D4 NickiE1 VladE2 SolennE3 MacieE4 MarkF1 McKennaF2 JustinF3 Katie W.F4 TaylorG1 CamilleG2 SawyerG3 ChloeG4 NoahH1 MarlenaH2 WynH3 ChristianH4 Jessika