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9.1
science
| Question | Answer |
|---|---|
| mining can have a ( ) impact on habitats when it pollutes soil and water | negative |
| the ( ) increase in human population happened in the last few centuries | greatest |
| earth has ( ) amount of resources | limited |
| the human population is about 6.7 ( ) | billion |
| improved health care | population increase |
| carrying capacity is the ( ) number of individuals of a given species that earths resources can support | largest |
| population | all members of a species living in a given area |
| carrying capacity | is the largest number of individuals of a given species that earths resources can support and maintain for a long period of time |
| resource | things we need to survive |
| describe the growth of human population for most human history | steady straight line |
| when did human population reach 1 billion people | 1800 |
| how long did it take the human population to double to 2 billion | 1900 |
| when did human population begin to increase sharply | 1800s |
| what factors caused the human population increase | advances in technology and meds |
| what might happen to resources if the human population continues to rise | use them all |
| describe how the population of species x changed over time | went over carrying capacity and population decreased |
| what factors might of led to the increase in the population of species x | not dying |
| what is carry capacity | amount of resources |
| what happened to species x when it reached over carryings capacity | population lowered |
| what likely happen to resource availability when species x eached its carrying cappacity | didn't have enough to go around |
| what will happen to species x if they go over carry capacityt again | population lowers again |
| what is population | amount of something in a area |
| what is population explosion | sudden increase in population |
| when did we experince population explosion | 1800 |
| why did we experrince population explosion | advances in technology |