Last quiz Flashcards
What does an ecological footprint measure?
Land and water needed to sustain a person’s lifestyle
Which of the following is NOT a dispersion pattern of population distribution?
A. Uniform
B. Clumped
C. Random
D. Linear
Linear
Which biome is defined by very low rainfall and can include both hot and cold regions?
Desert
What is bioremediation?
Using living organisms to detoxify polluted environments
Which greenhouse gas is most associated with burning fossil fuels?
Carbon dioxide
What is mutualism?
When two species benefit from interacting with each other
Which zone of the ocean receives enough light for photosynthesis?
Photic
Which term refers to the variety of living organisms in an ecosystem?
Biodiversity
What does the greenhouse effect do for the Earth?
Keeps Earth warm enough to support life
Which term describes a species that lives in or on another and benefits at the host’s expense?
Parasite
Why is biodiversity important to ecosystems?
ecosystem balance and stability
What is population density?
The number of individuals per unit area
How does sustainable development help the environment?
By allowing ongoing use of resources without depleting them
What role do phytoplankton play in the ocean?
Photosynthesize and form the base of the marine food chain
What is habitat fragmentation?
Breaking habitats into smaller, isolated patches
What is the goal of restoration ecology?
To repair damaged ecosystems using ecological principles
What does conservation biology aim to prevent?
Loss of biodiversity
What is a major environmental consequence of overusing freshwater resources?
Depleted water sources and ecosystem stress
What can age structure diagrams help predict?
Future population growth
What does a food web show in an ecosystem?
The interconnection of multiple food chains
