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)
Antifreeze in living organisms
Classification of Living Organisms
Organisms exhibit a diversity of behaviours, which include (clockwise from upper left), foraging and
Organisms exhibit a diversity of behaviours, which include (clockwise from upper left), foraging and
Keystone organisms "كيستون الكائنات الحية"
Methods of Timber Harvesting