The failure of the attempt to reintroduce clapper rails in california was an example of

difficulty of redesigning workable ecosystems

fragility of wetland habitats

lack of cooperation between government agencies

time consuming process of listing endangered species

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous

Which type of respiration takes place when there is no oxygen present? a. anaerobic b. mitochondrial c. cellular d. aerobica. anaerobic

Why do mountaineers become breathless as they reach high altitudes