What is the big problem with global warming?
Burning of fossil fuels
why?
combustion releases extra CO2 into atmosphere, which increases greenhouse gases and leads to increase of earth's overall temp
Earthquakes, Volcanic eruptions, Landslides, floods, tsunamis, hurricanes, and forest fires... what are these examples of?
natural disturbances
An interaction in which one organism kills another for food.
predation
What is the name of this graph? 
Logistic graph
The amount of carbon emitted into the atmosphere and the impact it has on the environment is known as ______________.
Ecological Footprint
or
Carbon Footprint
What do CFCs do?
- deplete the ozone layer
- breaks down ozone
- Chlorine from CFCs react with ozone to destroy it
Give 4 examples of pioneer species
1. lichens
2. mosses
3. weeds
4. grasses
What is the difference between a habitat and a niche?
Habitat = the actual area in the ecosystem where an organism lives, including all of its abiotic and biotic resources.
Niche = all of the things an organism needs and does within its habitat.
Rabbits, which are considered to be prey, is considered to be what type on the survivorship curve?
Type 3
A mature ecosystem that is mostly stable over time is called _____.
climax community
What is the difference between renewable and nonrenewable resources?
Renewable resources are produced/replenished faster than they are consumed
Non Renewable Resources are consumed faster than they are created.
What is an example of primary succession?
Volcano erupting and the lava forms a solid ground and turns into an island.
A mite lives in the base of the eyelashes of people who use mascara. It feeds on the mascara; it does not seem to harm people. What type of symbiotic relationship is this?
Symbiotic Commensalism
How do humans influence/impact the water cycle?
- Deforestation: decrease transpiration
- Paving/Building/Development: increase Runoff and decrease Infiltration
- Pollution
An organism that is killed and eaten by another organism is called _______. Give an example
Prey
ex: Rabbit is prey for wolves
ex: mice are prey for cats
ex: gazelles are prey for lions
What are two pros of agricultural technology and two cons of industrial technology?
agricultural technology pros:
1. contour farming
2. Fertilizers
3. Farm machinery
Industrial technology cons:
1. creation of CFCs
2. burning of fossil fuels
3. acid rain lowering soil pH.
After the eruption of Mount St Helens of 1980, what pioneer species helped pave the way for what kind of succession to occur?
weeds and grasses paved the way for primary succession to occur.
The flower of the yucca plant provides the only location where the yucca moth can lay her eggs. In the process, the moth pollinates the yucca flower. What type of symbiotic relationship is this?
Why does primary succession take longer than secondary succession?
because in secondary succession, once the established community is destroyed, there is still some soil intact therefore it takes less time than primary succession to recover.
Explain the difference between intraspecific competition and interspecific competition. Give an example of each.
1. Interspecific Competition- where competition is occurring between different species. ex: lions and tigers hunting for prey
2. Intraspecific Competition- where competition is occurring within the same species. ex: two bucks fighting for a doe's attention.
What impact will rising greenhouse gases have on Earth's climate?
Increasing levels of greenhouse gases are likely to produce a warming at the Earth’s surface.
This warming is likely to lead to world-wide changes in weather and climate.
Some places may get more rain and storms while others may get less. Not all changes will be bad for everybody.
However, almost everywhere the weather and climate will be different from what it used to be.
What is the last thing that would appear on a newly formed island?
Arrival of big animals and bigger trees.
A tapeworm lives in the intestines of a dog. It absorbs the food the dog has eaten and grows larger in the process. The dog becomes weaker from malnutrition. What is happening? What is the tapeworm? What is the dog?
The tapeworm is harming the dog as it benefits in return. The tapeworm is a parasite and the dog is the host.
What is the difference between a community and an ecosystem?
Community – multiple populations of different species living together.
Ex. All of the birds, deer, plants, insects, squirrels, etc. in the field
Ecosystem – the same size as the community level, but takes into account the abiotic factors surrounding the community.
Ex. All of the living things (listed above) AND the nonliving things (temperature, precipitation, etc.)
What is the name of the graph? What is happening in 1945?

The graph is a Prey vs. Predator graph. In 1945, there is an increase of snowshoe hares and of arctic foxes, but there are more snowshoe hares than arctic foxes