male amphibians including frogs and toads have been plagued by fertilization deformity behavioral abnormalities and sterility biologist from the university of florida investigated whether reproductive problems among population of cane toads bufo marinus are caused by posons from chemicals associated with agriculture the biologists collected local adult cane toads from more than 20 different locations toads where collected from areas close to agriculture both large scale and small scale farms as well as from suburbs that are non agricultural areas based on this study what is / are the control groups 1.male toads collected from the suburbs . 2. male toads collected from areas near large scale farms 3.male toads collected from small scale farms 4. male toads collected from all different sites 5.female toads that were not collected

In an experiment, the control group represents a group that receives every other treatment as the experimental group except that of the variable whose effect is the main aim of the experiment.

In observational study, the control group is selected based on a randomly chosen area depending on the variables being examined.

In this case, the researchers are out to investigate whether the reproductive problems observed in the population of cane toads are due to poisons from chemicals associated with agriculture. The control group would be those that are sure not to be a recipient of the poisons associated with agricultural chemicals. Hence, the population of toads close to agricultural sites would form the study group while those far from agricultural sites would represent the control group.

Therefore, the male toads collected from the suburbs would be the control group.

andromache andromache · Answer 2 · 2022-01-20T10:12:49+01:00

1. male toads collected from the suburbs

The following information should be considered:

In an experiment, the control group shows the group that receives each & every other treatment in the form of the experimental group except that of the variable whose impact is the main aim of the experiment.
In observational study, the control group is chosen depend on a randomly chosen area based on the variables being examined.

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