1. Which of these is a benefit of GMOs?

A) decreased need for harmful pesticides

B) decreased nutritional value

C) helpful to all farmers

2. All countries require the labelling of GMO's on food being sold.

A) true

B) false

3. Which of these best describes a transgenic organism?

A) DNA from one or organism is put into another

B) delete part of the original DNA

C) humans choose which organisms should mate for favorable characteristics

Refer to this portion of a dichotomous key for fish identification to answer the question. 1. (a) has a single dorsal fin ® 5 (b) has a double dorsal fin ® 2 2. (a) one fin is spiny, the other is smooth ® 3 (b) one fin is not spiny or smooth ® 4 5. (a) has small fin on back near tail ® 6 (b) has no fin on back near tail ® 7 6. (a) has barbs near the mouth ® catfish (b) does not have barbs near the mouth ® 10 7. (a) tail is asymmetrical ® 8 (b) tail is symmetrical ® 9 10. (a) scales are small ® trout (b) scales are large ® whitefish what is the next step to complete to identify a fish that has a single dorsal fin, no fin on the back near the tail, and no barbs near the mouth? step 2 step 5 step 7 step 10