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20.1: SPECIES INTERACTIONS. Species (organism) Population Community (interaction of different species) Ecosystem Biosphere.

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Presentation on theme: "20.1: SPECIES INTERACTIONS. Species (organism) Population Community (interaction of different species) Ecosystem Biosphere."— Presentation transcript:

1 20.1: SPECIES INTERACTIONS

2 Species (organism) Population Community (interaction of different species) Ecosystem Biosphere

3 PREDATION (+/-) one species eats another species predator: eater and prey: eaten Types: carnivores, herbivores and omnivores

4 cyclic in nature ↑ in prey leads to ↑ in predators (vice versa) Lag time

5 RESPONSES TO PREDATION 1. camouflage: Cryptic coloration disguises an animal so it’s less visible to predators or prey asset/tdc02_vid_disguise/

6 2. warning coloration (aposematism): intended not to camouflage an organism but to make it more noticeable - Bright coloring to warn potential aggressors of toxicity

7 3. Mimicry: physical (or behavioral resemblance) of one species to another

8 4. Action by Prey: action by prey just before death that is unexpected by predator

9 5. alluring coloration: animals are colored so a predator's attention is drawn to a non-vital part of the prey's body

10 6. Deceptive Markings: markings that resemble fake eyes or false heads to startle predator.

11 WHAT TYPE OF RESPONSE IS THIS?

12

13 Mountain King Snake is NOT Poisonous

14 WHAT TYPE OF RESPONSE IS THIS?

15

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17 CLASS WORK: Create-a-Prey


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