What "feeds" by breaking down organic matter?
What is a decomposer?
What is another word to describe producers that make their own food?
What is autotrophs?
Which type of succession begins with soil after a natural disaster or environmental change?
What is secondary succession?
Define deforestation and one way to fix this impact
What is "cutting down of forests" and "reforestation"?
Which description describes primary succession?
A. Starts with bare rock, no previously existing life, after a retreating glacier or volcanic eruption
B. Starts with soil, had previously existing life, after a flood or tornado
What is A?
Fill in the blank:
Foxes, logs, and plants are examples of _______ factors?
What is biotic?
Which of the following increases carbon into the environment? Choose all that apply:
Photosynthesis
Decay
Fossil Fuel Emissions
What is decay and fossil fuel emissions?
What is the symbiotic relationship for the following example:
A tapeworm that lives within a cow and absorbs the food and nutrients from the cow's partially digested food.
What is parasitism?
In biomagnification, what is one example of the forever chemicals that accumulate in organisms?
What is DDT, arsenic, mercury, OR lead?
Describe 3 factors of a logistic growth graph?
What is
- Has a carrying capacity of the maximum number of organisms that an ecosystem can carry
- Looks like an S curve
- Has limited resources/factors
- Starts out looking like an exponential or "J" curve
Define the symbiotic relationship: commensalism?
What is when one organism benefits from a relationship and the other is unaffected?
What is the process of converting atmospheric nitrogen (nitrogen gas) into ammonia?
What is nitrogen fixation?
What is the main type of pioneer species found in primary succession and what is their role?
What is lichen (break down bare rocks into soil)?
How do invasive species affect the native species within an ecosystem?
What is "they outcompete the native species for the same resources, introduce new diseases, or change the habitat"?
A food chain consists of:
grass --> deer --> snake --> eagle
How much energy (%) would a snake receive if the grass started at 100%?
What is 1% energy?
Define resilience for an ecosystem
What is how well an ecosystem can grow and retain its functions after experiencing a disturbance or change.
Fill in the missing blanks for levels of organization from smallest to largest:
species, ________ , _________ , ecosystem, biome, biosphere
What is population and community?
What is the main factor that determines how stable an ecosystem is?
What is biodiversity?
How does eutrophication negatively impact a pond or lake ecosystem?
What is "the bacteria that decompose the algae also use up all of the oxygen in the water needed by fish"?
If an apple has 3 g DDT. A bug eats 10 apples. Then. a bird eats 8 bugs, how much DDT does the bird have?
What is 240 g DDT?
Apple = 3 g DDT
Bug = 30 g DDT
Bird = 240 g DDT
What is the principle called when 2 species compete for the same resources in the same niche and one species outcompetes the other?
What is the competitive exclusion principle?
What is the 10% rule and where does the rest of the energy end up?
What is "10% of energy is transferred from each trophic level and the other 90% of energy is lost as heat to the environment"?
After secondary succession has occurred, will the climax community always be restored to its original climax community?
What is "the climax community may OR may not restore to its original climax community"?
How are renewable and nonrenewable resources different from one another and what is an example of each?
What is "renewable resources (wind/solar) naturally regenerate whereas nonrenewable resources (coal/oil) take millions of years to reform"?
List the three greenhouse gases and explain how the greenhouse gases effect influences global warming?
What is carbon dioxide, methane, and water vapor?
What is "the gases are trapped in the atmosphere and raise the Earth's temperature"?