Unit 1
Issues such as overusing public land by privately owned animals is an example of...
Tragedy of the Commons
Where does energy from most ecosystems originate?
The sun
What happens to climate as you move away from the equator?
It gets colder
What is the name for land that is suitable to use as farmland?
Arable land
Tortoises living on the Galapagos Islands have lived there for hundreds of thousands of years. They would be known as what type of species in relation to this island?
Endemic
According to the law of supply and demand, what would occur if the demand of oil went up, but the supply remained the same?
Oil prices would increase
The place where an organisms usually lives is known as..
a habitat
What two main factors determine the type of plants that grow in a biome?
temperature and precipitation
Describe the age structure of a country with high growth rates.
more younger people than older people
What major activity by humans causes the most harm to organisms and could be the leading cause to many of the current extinctions?
Habitat destruction
The indefinite existence of human populations in a healthy and prosperous condition is best known as what?
Sustainability
What process breaks down glucose and oxygen to produce energy for an organism?
Cellular respiration
The arrangement of organisms in the open ocean is determined by what?
the amount of nutrients and sunlight available
What happens to the death rate during the second stage of the demographic transition?
It decreases
The wolves of Yellowstone and the otters in the north Pacific Ocean are both examples of what?
a keystone species
Which type of value is based on beauty or looks?
Aesthetic Value
What type of organism gets their own food by breaking down dead organisms?
Decomposers
What organism is at the bottom of the food chain in most aquatic ecosystems?
phytoplankton
The percentage of newborn individuals in a population that can be expected to life to a given age is known as what?
Survivorship
A species that is not native and comes to a new area on accident and causes an upset in the ecosystem. This type of species is known as...
an exotic species (an invasive species)
The amount of land and ocean area needed to support someone is known as what?
An ecological footprint
What type of selection or evolution occurs when humans breed dogs together to get a new type of pet?
Artificial Selection
estuaries
A clean supply of water, roads, and services such as hospitals and schools are all considered what? (Less-developed countries don't have this, and their rapid population growth suffers because of it.)
Infrastructure
The genetic material that makes up a species is known as...
Germ plasm