A wildlife photographer photographs a crocodile and then paddles against a river current for 6 km.

If you find yourself sharing the road with an aggressive driver, you should: a. attempt to get the driver off the road b. give the driver extra space c. make eye contact and smile

These two squirrels live in the same ecosystem. what type of interaction do the images represent? a. direct competition b. mutualism c. interference competition d. symbiotic e. indirect competition

How many liters of 60% alcohol solution should be added to 40 liters of a 20% alcohol solution to make a 50% solution?