What is bycatch?
A) Organisms unintentionally killed during the harvesting of a different, desirable species
B) The number of organisms caught in a trawl
C) The number of organisms that can be harvested without impairing future generations
D) The targeted organisms for a harvest
Question 2
Though it is difficult to generalize for the ocean as a whole, the bottom of the euphotic zone is about ____ deep in mid-latitudes.
A) 10 meters (33 feet)
B) 70 meters (230 feet)
C) 160 meters (525 feet)
D) 500 meters (1,640 feet)
Some organisms used as models in genetic research
Some organisms used as models in genetic research
All living organisms descended from a common ancestral cell
The first generation of model organisms in genetic analysis
Neither heat-killed S-type nor live R-type bacteria can kill mice, but simultaneous injection of bot
Ancient fossilized single-celled organisms