what is population density
the number of people living in a specific area
what are the types of population dispersion
clumped,uniform,random
what limits population growth
not enough water, food, space, prey
what does undernourishment mean
lack of enough calories in someone diet
How do you calculate population density?
Population Density = Total Population ÷ Land Area
logistic growth
what can cause speciation
temporal isolation, behavioral isolation , geographic isolation
what does malnourishment mean
someone who does not have enough proteins/ vitamins
Which areas typically have higher population density: cities or rural areas?
cities
another type of population growth
how can we protect endangered species
stop hunting, plant more trees, save water, energy , recycle trash.
what is a diease someone can get related to malnourishment
anemia
Why might people choose to live in areas with higher population density?
because of more jobs, better schools, more affordable
exponential growth
what causes population to grow
when more people grow than die
what is another diease related to malnourishment
rickets
What is one problem with high population density?
too many people
how does population grow
How can humans affect populations of animals?
By destroying habitats, hunting, or protecting them through conservation.
why do we not have enough grain for everyone on earth
unequal distribution of food to all people