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Ch. 5 Test Review

Ch. 5 Test Review. Populations. Key Terms Populations Carrying capacity Know the difference between the following: (p. 104-105) Logistic Growth Exponential Growth. Why is Human Pop. Growing so fast?. Agricultural Technology Medical advancements Industrial Rev. (1700’s)

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Ch. 5 Test Review

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  1. Ch. 5 Test Review

  2. Populations • Key Terms • Populations • Carrying capacity Know the difference between the following: (p. 104-105) • Logistic Growth • Exponential Growth

  3. Why is Human Pop. Growing so fast? • Agricultural Technology • Medical advancements • Industrial Rev. (1700’s) Which part shows birth and death rates about equal? Where is growth 0?

  4. Human Pop. (cont.) • Better sanitation, hygiene and disease control have lowered the DEATH RATE!!!

  5. Which is a population? A- all the insects in Memphis, TN B- all the cats in LeMars, IA C- all the birds in Chicago,IL D- all the fish in Lake Superior It must be an interbreeding group. B

  6. Milkweed plant & Monarch butterfly • Make sure you know about the co-evolution relationship of these 2 organisms. • The poisonous plant helped the caterpillar. How?

  7. Factors that Affect Pop. size • Biotic- • LIVING • Ex. Prey • Abiotic- • NONLIVING • Ex. Disease, weather

  8. Predator/ Prey • Most animals are both predators and prey. • Predators: • Hunt and kill their food • Prey: • Are the food

  9. Symbiosis • When 2 organisms live in close association with each other. • 3 Examples… Parasites Mutualism Commensalism

  10. Herbivory p. 110 • Herbivores eat plants, but plant do try to protect themselves sometimes. • Ex. Thorns, spines, bad tasting chemicals. • Monarch butterflies have evolved a way to get around that problem. • Use the toxin in milkweeds in their own defense.

  11. Parasite/Host • Symbiotic • Examples… • You come up with 3

  12. Commensalism • Symbiotic • Examples… • You come up with 3 • Ex. Orchids use trees to get close to sunlight

  13. Mutualism • Symbiotic • Examples… • You come up with 3

  14. Niche • The ROLE an organism has in its ecosystem. • Fundamental Niche-what is could occupy • Realized Niche-what it really does occupy

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