2nd Semester E. Science

What prediction have scientists made about modern extinction rates of species?

• 20% gone
• all gone
• half gone
• remain the same

What would be considered habitat fragmentation?

• a river tigers have to cross
• a mountain separating 2 populations of tigers
• tigers living in different family groups in the same jungle
• tigers killing each other for food

Not making the Dominican Repulic pay back a loan if they agree to protect biodiversity is?

• mass extirpation
• species survival plan
• wildlife corridor
• debt for nature swap

what biome has the highest net primary production?

• savanna
• boreal forest
• coral reef
• desert

What aquatic zone supports the most organisms?

• aphotic zone
• photic zone
• benthic zone
• all the same

A wetland entirely covered in thick floating mass of vegitation

• bog
• marsh
• swamp
• field

Risk assesment

• creating a plan to control environmental damage
• board game about animals fighting
• finding the most possible protections
• measuring chance a hazard will cause environmental harm

Which of the following is the hardest to control?

• high fat diet
• industrial pollution
• smoking cigarettes
• lack of exercise

A substance posing a chemical hazard

• VOC
• allergen
• carcinogen
• toxicant

Asbestos, radon, VOCs, carbon monoxide, and lead all:

• can be found indoors
• are dangerous carcinogens
• cannot be prevented to exposure
• are only made by humans