Unit 1
Wind, moving water and solar energy are all derived from
the sun
Energy gained from resources that are replenished by natural processes in a relatively short period of time. e.g. solar, firewood, wind, moving water, geothermal is
Renewable energy
An organism that eats primary consumers
Secondary Consumer
Which of the following is one of the reasons for the loss of biodiversity?
An abundance of exotic species
Flowering plants and honeybees are an example of:
Mutualism
The state in which a human population can survive indefinitely is called
sustainability
The total kinetic energy of all the moving atoms, ions, or molecules in an object can also be referred to as
Heat (Thermal) Energy
The energy captured by producers in an ecosystem minus the energy producers respire
Net Primary Productivity
When a large number of species goes extinct over a relatively short period of time, _________________ occurs.
Extinction
A bird living on a tree is an example of:
Commensalism
The study of how humans interact with the environment is called
environmental science.
Students wondered if the rainwater in their region was acidic. They decided to gather some rainwater and test the pH. After testing the pH, they determined that their rainwater was acid rain. What is most likely the pH reading the students obtained?
4.0
Before atmospheric nitrogen (N2) can be used by plants it must be converted to a usable form for plants. What is the form of nitrogen that is MOST EASILY taken up by the roots and used for growth and development of the plants?
Nitrates
This type of species is affected almost immediately by ecosystem change:
Indicator
A tapeworm living inside an animal is an example of:
Parasitism
Single identifiable source that discharges pollutants into the environment. Examples include the smokestack of a power plant, drainpipe of a meatpacking plant, chimney of a house, or exhaust pipe of an automobile.
point source of pollution
Law of conservation of energy (can't be created or destroyed) is
The First Law of Thermodynamics
How is the atmospheric nitrogen converted so that it can become usable for other organisms?
Various types bacteria convert the atmospheric nitrogen
Which of the following is NOT a cause of geographic isolation by humans?
A deforestation
B hydroelectric dams
C flooding
D hunting
C flooding
Which of the following is NOT a variable that governs changes in population size?
Aging
What essential resource is likely to limit how many people the Earth can hold?
space
A ______________________ shows the number and types of each atom in a compound.
Chemical Formula
Which label on figure 1 (The Carbon Cycle) represents the emissions from the burning of fossil fuels?
Label D
A heritable trait that gives an advantage to one species over another is also known as:
A an adaptation
Of the following, which is NOT a major age group in a population’s age structure?
Near-reproductive