Raven 7e Chapter 08 The growth rate of a population is affected by 1. 2. 3. 4. 5. birth rate immigration death rate emigration all of these 20% 1 20% 2 20% 20% 3 4 20% 5 When a population exceeds the carrying capacity, it 1. 2. 3. 4. may suddenly crash to a low level will grow exponentially will level off all of these 25% 1 25% 25% 2 3 25% 4 Exponential population growth is characterized by an ever accelerating accumulation of individuals 1. 2. True False 50% 1 50% 2 Are the following factors density Predation 1. 2. dependant independent 50% 1 50% 2 Are the following factors density Food supply 1. 2. dependant independent 50% 1 50% 2 Are the following factors density Weather 1. 2. dependant independent 50% 1 50% 2 Are the following factors density wild fires 1. 2. dependant independent 50% 1 50% 2 Are the following factors density Disease 1. 2. dependant independent 50% 1 50% 2 Are following characteristics of adapted species? Small size 1. 2. r K 50% 1 50% 2 Are following characteristics of adapted species? Few offspring 1. 2. r K 50% 1 50% 2 Are following characteristics of adapted species? Much parental care of the young 1. 2. r K 50% 1 50% 2 Are following characteristics of adapted species? Living in stable environments 1. 2. r K 50% 1 50% 2 The following species demonstrate what type of survivorship? Sea Gulls 1. 2. 3. I II III 33% 1 33% 2 33% 3 The following species demonstrate what type of survivorship? Elephants 1. 2. 3. I II III 33% 1 33% 2 33% 3 The following species demonstrate what type of survivorship? Cockroaches 1. 2. 3. I II III 33% 1 33% 2 33% 3 The following species demonstrate what type of survivorship? Humans 1. 2. 3. I II III 33% 1 33% 2 33% 3 The following species demonstrate what type of survivorship? Mosquitoes 1. 2. 3. I II III 33% 1 33% 2 33% 3 Replacement Level Fertility (RLF) always results in Zero Population Growth (ZPG) 1. 2. True False 50% 1 50% 2 For a population with a 2% growth rate, what is the doubling time? 1. 2. 3. 4. 5. 1 year 2 years 7 years 35 years 70 years 20% 1 20% 2 20% 20% 3 4 20% 5 IYO, about how high is the world carrying capacity for humans? 1. 2. 3. 4. 5. 2 billion 4 Billion 8 Billion 16 billion 24 Billion 20% 1 20% 2 20% 20% 3 4 20% 5 The Immigration Reform and Control Act (IRCA) gives three groups priority when migrating to the United States. IYO, which group should get top priority? 1. 2. 3. those with family members living in the United States those who can fill vacant jobs refugees seeking asylum 33% 1 33% 2 33% 3