ecology part 3 populations. rabbits, rabbits, rabbits! how do populations grow? complete activity on...
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![Page 1: Ecology Part 3 Populations. Rabbits, Rabbits, Rabbits! How do populations grow? Complete activity on p.118 in your book. Record all your answers on a](https://reader036.vdocuments.us/reader036/viewer/2022082818/56649eb35503460f94bbaa53/html5/thumbnails/1.jpg)
Ecology Part 3Populations
![Page 2: Ecology Part 3 Populations. Rabbits, Rabbits, Rabbits! How do populations grow? Complete activity on p.118 in your book. Record all your answers on a](https://reader036.vdocuments.us/reader036/viewer/2022082818/56649eb35503460f94bbaa53/html5/thumbnails/2.jpg)
Rabbits, Rabbits, Rabbits!
• How do populations grow?• Complete activity on p.118 in your book. Record all your answers on
a separate sheet of paper.
![Page 3: Ecology Part 3 Populations. Rabbits, Rabbits, Rabbits! How do populations grow? Complete activity on p.118 in your book. Record all your answers on a](https://reader036.vdocuments.us/reader036/viewer/2022082818/56649eb35503460f94bbaa53/html5/thumbnails/3.jpg)
Characteristics of Populations
•Population Density•Number of Individuals per unit area (how crowded an area is)
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Characteristics of Populations
•Geographic Distribution•The area inhabited by a population•Can vary in size between a few centimeters to a tree to the whole ocean
![Page 5: Ecology Part 3 Populations. Rabbits, Rabbits, Rabbits! How do populations grow? Complete activity on p.118 in your book. Record all your answers on a](https://reader036.vdocuments.us/reader036/viewer/2022082818/56649eb35503460f94bbaa53/html5/thumbnails/5.jpg)
Characteristics of Populations
•Growth Rate•How fast the population reproduces
![Page 6: Ecology Part 3 Populations. Rabbits, Rabbits, Rabbits! How do populations grow? Complete activity on p.118 in your book. Record all your answers on a](https://reader036.vdocuments.us/reader036/viewer/2022082818/56649eb35503460f94bbaa53/html5/thumbnails/6.jpg)
Population Growth
Births Deaths
Immigration/Emigration
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Population Growth
•Generally populations grow if the number of births is greater than the number of deaths.• Immigration is the number of individuals entering a population (not by birth)•Emigration is the number of individuals leaving a population (not by death)•Can you think of reasons why individuals may immigrate or emigrate (not humans)?
![Page 8: Ecology Part 3 Populations. Rabbits, Rabbits, Rabbits! How do populations grow? Complete activity on p.118 in your book. Record all your answers on a](https://reader036.vdocuments.us/reader036/viewer/2022082818/56649eb35503460f94bbaa53/html5/thumbnails/8.jpg)
Limits to Growth
•A LIMITING FACTOR is something that causes a population to decrease•Competition•Predation•Parasitism/disease•Drought/extreme climate•Human disturbances
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INTERACTIVE
•Give me an argument about why limiting factors are good.•Give me an argument about why limiting factors are
bad.
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INTERACTIVE
•Imagine 2 cups of soil. You plant 3 bean seeds in one cup and 15 bean seeds in another. Draw what the 2 cups of soil might look like in 3 weeks.
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Human Population Growth
Watch and Reflect
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Who Eats Whom, Part 1
• What factors play apart in the deer population of Arizona?
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Predator and Prey Populations
• How does Predation affect a population?