Back to Basics
The study of how humans and the environment affect each other.
Environmental Science
Name one factor that determines the growth rate of a population.
migration, birth or death
What do the arrows in a food chain/web show?
The flow of energy
Name of organism who eats a primary consumer.
Secondary consumer
What two words do you need to use when you form a hypothesis?
If....then
This is a social movement that is often confused with Environmental Science
Environmentalism
When a population reaches a point where the ecosystem can no longer support it.
carrying capacity
This type of relationship is when one organism benefits and the other is unharmed.
commensalism
Another name for organisms that create their own food.
autotrophs
If I brush my teeth, then I won't get a cavity. What is the independent variable?
brushing your teeth
Rivers, lakes and streams are part of which sphere of Earth?
Hydrosphere
natural disasters, drought and fire are all examples of which type of limiting factor?
density-independent
Which trophic level of the energy pyramid has the most energy/biomass?
producers
Put these in order from smallest to largest.
ecosystem, species, population, community
species, population, community, ecosystem
Mr. Whatsit has a hat on today. Observation or Inference?
observation
BIG!
Two groups of lizards mate at different times of the day. Which type of isolation is this?
temporal
The first types of organisms that colonize an area after primary succession are...
lichens and moss
A carrot plant is covered with harmful chemicals. Which trophic level would receive the most toxins?
tertiary/quaternary consumers
Qualitative data uses....to describe observations.
words
Name a non-renewable resource.
coal, oil...
Elephants take care of their young, and their mortality right increases as it ages. Which type of strategist species is this?
K-strategist
A flowering plant has 5,000 kcal. A grasshopper eats the plant and a bird eats the grasshopper. How much energy does the bird get?
50 kcal
Otters who eat urchins in the Puget Sound are helping the ecosystem. Is this an example of an invasive or keystone species?
Keystone species
The x-axis on a graph corresponds to which variable? Independent or Depenedent?
Independent