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APES Unit 3
Questions
| Question | Answer |
|---|---|
| Explain boom and bust cycles. What type of species typically experience this? | R-selected species go through this phenomenon. It's due to fast reproductive rates and a large amount of offspring being born in one pregnancy causing unstable population growth cycling between periods of overpopulation and die off/regrowth. |
| What kind of growth rate do K-selected species follow? What shape is it? | They grow at a logistic growth rate which is shaped like an S. |
| What kind of survivorship curves do R-selected and K-selected species follow? | K-selected species follow type 1 and 2. R-selected species follow type 3. |
| What factors determine carrying capacity? | Biotic potential ans environmental resistence. |
| What happens to a population as it begins to reach carrying capacity? Why? | As a population reaches its carrying capacity, its growth rate will decrease as resources become scarce. |
| Why do certain species live together in "clumps"? | For protection, reproductive opportunities, and help finding food. |
| How has the deer population changed in the last century? | 1900, deer habitats were destroyed and there was unregulated hunting. 1920-1930, laws were implemented to protect deer. Now, the deer population has exploded allowing them to eat plants, cause traffic accidents, and spread lyme disease. |
| How can the deer population be controlled? | 1) PZP, deer birth control shot 2) Loosen hunting restrictions |
| What do age structure diagrams provide? | They can be used to interpret population growth rates. |
| What are some factors that are contributing urban sprawl? | 1) Low cost gas 2) SALT (State and Local Tax) 3) Tax laws encourage ownership |
| Why is the United States TFR dropping? | 1) Education 2) Birth control 3) Condoms 4) Abortion |
| What are some factors that are affecting population growth rates? | 1) Birth rates 2) Overall death rates 3) infant mortality rate 4) Access of family planning 5) Access to good nutrition 6)Access to education 7) Postponement of marriage |
| What are some density-independent factors? | 1) Major storms 2) Fires 3) Heat waves 4) Droughts |
| What are some density-dependent factors? | 1) Access to clean air and water 2) Food availability 3) Territory size 4) Disease transmission |
| Name some events displaying nature attempting to control population. | 1) The Irish Potatoes Famine 2) Bubonic/Black Plague 3) AIDS 4) COVID-19 |
| Why do underdeveloped countries typically have large families | 1) High infant mortality rate 2) Old age security 3) Children are an ECONOMIC asset 4) Status of women |
| Which generation had the largest TFR? What event correlates to this boom in population? | After WW1 during the Baby Boomer generation, population increased greatly. |
| What country has the most amount of immigrants in there country? | The US has almost twice as many as every other country combined. |
Created by:
MadisonFoleyReis
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