PPT-INTERSPECIFIC MUTUALISTIC

RELATIONSHIPS Photo of clownfish amp anemone from Wikipedia Photo of fig amp fig wasps from httpwwwzoologyubcca Reciprocally beneficial interactions Benefits that accrue to one or both mutualists. 3 Macroparasites:platyhelminth worms (tapeworms, trematodes)(intestinal) nematodeslice, fleas, ticks, mites, fungi1.Directly transmitted from host to host 2.Indirectly transmitted via some other speci Most organisms have adaptations that help protect them against their predators. Cacti have thorns. Porcupines have quills. Monarch butterflies have toxins and . protective . colouration. The interactions between producers and consumers typically result in co-evolution. Please Do Now: List three kinds of animal communication, and a potential downside of each. (You will have to do a little thinking). . Agenda. Notes on Deceitful and Honest Communication. Reading/Annotation. Consequences of Species. Interactions. 44. Chapter 44 Opener. Chapter 44 Ecological and Evolutionary Consequences. of Species Interactions. Key Concepts. 44.1 Interactions between Species May Be Positive, Negative, or Neutral. Starter Activity: Unscramble these anagrams!. Paulnitpoo. Baithat. Cotbitai. Tobciti. Mumcityno. chine. Learning objectives:. What is intraspecific competition?. What factors do different species compete for?. Aggressive Responses. Interspecific. Aggressive Responses. Competition for food . This occurs when resources become scarce.. It leads to stress and a reduction in population size, especially for the least successful species. One population may even become extinct.. i. ): . The parasite niche. CfE . Advanced Higher. Unit 2 Organisms and Evolution. SQA mandatory key information. Parasites tend to have a narrow niche as they have high host specificity and may lead to parasites which are degenerate. They are lacking in structures and organs found in other organisms. . 3 Macroparasites:platyhelminth worms (tapeworms, trematodes)(intestinal) nematodeslice, fleas, ticks, mites, fungi1.Directly transmitted from host to host 2.Indirectly transmitted via some other speci Standard and EQ. Standard. Essential Question. SZ5. Students will evaluate the relationships between humans and other animals. . How do organisms receive energy from other organisms?. I Will Be Able To…. CfE . Advanced Higher. Unit 2 Organisms and Evolution. SQA . mandatory key information. Parasites tend to have a narrow niche as they have high host specificity and may lead to parasites which are degenerate. They are lacking in structures and organs found in other organisms. . Directional. Stabilizing. Disruptive. Eliminative. No way to tell. 45. This is negative selection—. elimination of “unfit” genotypes. . Relations Between Species. Neutralism Species A B. Mutualism A B. What is predation?. Predator eats prey. What are three adaptations of predators?. What makes them good at finding, capturing, and consuming prey?. acute smell. heat sensing pits. venom . sticky webs. Science. Lesson 14: challenge answer . Investigate another example of a mutualistic relationship and make note of the benefits each organism receives. . Senita cactus and senita moth – moth collects pollen and cactus can reproduce. .