Types of Species
What are 2 traits of a specialist species
Smaller range of ecological tolerance, more prone to extinction, specific food requirements, less ability to adapt to new conditions, have an advantage when conditions are constant
What is carrying capacity?
The maximum number of individuals that an ecosystem can support (based on limiting resources)
What is total fertility rate?
The average number of children a woman in a population will have throughout her lifetime
What is industrialization?
The process of economic and social transition from an agrarian (farming) economy to an industrial (manufacturing based) one.
Name one of Ms. Abrams' class pets
Gary, Snaily Jr, Bubbles, Buttercup
What are 2 traits that are specific to r-selected species?
Many offspring, little to no parental care, shorter lifespan, reach sexual maturity quickly, high population growth rate, more likely to be invasive, better suited for rapidly changing environmental conditions
What is overshoot?
When a population exceeds its carrying capacity
If a population is expanding rapidly, what does its age structure diagram look like?
What are two characteristics of industrialized/developed countries?
Very low death rate, very low infant mortality rate, very high gross domestic product, lower total fertility rate
Ms. Abrams' cat's name
Riley
What is a survivorship curve?
A line that represents relative survival rates in a population from birth to old age
Describe the relationship between predator and prey populations over time
When predator population is high, prey population declines. When prey population declines, predator population declines. When predator population declines, prey population increases. When prey population increases, predator population increases...
What are 2 reasons that more developed countries have lower TFR?
More educational access for women, more economic opportunity for women, higher access to family planning education and contraceptives, later age at first pregnancy, less need for children to provide income through agricultural labor
What are 2 characteristics of pre-industrialized/less developed countries?
Typically poor (low GDP), high death rate, high infant mortality, high total fertility rate
Which state is Ms. Abrams from?
Missouri
What does the survivorship curve of a Type II species look like?
A steadily decreasing line representing population
What are density-dependent factors?
Factors that influence population growth based on size (food, competition for habitat, water, light, disease, etc)
What is the rule of 70?
The time it takes (in years) for a population to double is equal to 70 divided by the growth rate
Which stage of demographic transition involves the fastest rate of growth?
Stage 2 - industrializing/developing
How many students are in 6th grade this year?
130
What is biotic potential?
The maximum reproductive rate of a population in ideal conditions
What is the formula for determining population change?
Immigrations + births - emigrations - deaths
What is the formula for calculating growth rate in a population?
(birth rate - death rate)/10
-birth rate and death rate are per 1000 people
Stage 4 - Post-Industrialized/Highly Developed
When are Ms. Abrams' office hours?
Monday and Tuesday after school in room 307
Thursday after school in room 306