1. The Earth is a closed system. What does this mean in terms of trash and pollution?

• Earth will allow no trash because it is closed
• There is no away we can throw trash to
• Trash can be sent off the planet and can’t return because it is closed.
• There is no new materials so trash isn’t a problem

________________ cars make no pollution when they are running

• diesel
• electric
• hybrid
• gasoline

Which of the following is a good reason for valuing diversity?

• Diversity isn’t valuable; it’s easier to manage the same species in an area.
• Diversity can’t be defined so we can’t value it.
• Diversity is valuable because we don’t fully know the benefits and use of each species
• Diversity is valuable only if it brings a benefit of money

What does wilderness do for us?

• Ensures species diversity
• Provides free services like clean water, fresh air
• Adds beauty and peace to the Earth
• All are correct

What happens when you save a species?

• Very little, each species doesn’t matter much
• It is impossible to save species, they go extinct all the time
• Saving one species often saves others
• We shouldn’t try to save species because it is never successful

.  A student does a trash collection project and finds the following data:
Recyclable 48 kg
Biodegradable 16 kg
True Trash 12 kg
What would be a good way to display the data?

• a pie chart showing the percentages l
• A bar chart comparing the weights
• ine chart showing amount of trash over time
• a slope intercept chart showing the relationships

Why is conservation sometimes controversial?

• Because conserving one thing usually costs money somewhere else
• Conservation can be difficult and time consuming
• Because conserving wildlife, often seems to compete with helping mankind
• All are correct

Which of the following is true about risks of landfills.  

• There are very few risks
• Landfills can let toxic chemicals into the soil and water
• Landfills are a major source of air pollution
• Landfills are a thing of the past we just throw our garbage away now

A group of students works hard to count species in an area near their school.  They measure a 1 m² at each location and they collect the following data:
Location A - 13 Species
Location B - 15 Species
Location C - 12 Species
Location D -  8 Species
What is the average # of Species?

• 48
• 12
• 92
• 13

A group of students works hard to count species in an area near their school.  They measure a 1 m² at each location and they collect the following data:
Location A - 13 Species
Location B - 15 Species
Location C - 12 Species
Location D -  8 Species
Which habitat can you infer is most likely where they collected their data? 

• a golf course
• a farmers field
• a woodland park
• rainforest