BIOL2022 L02 Considerations of sampling. The need to have statements that are testable; operating in a logical structure

The logical framework: Label as appropriate.

“If I randomly sample limpets on each type of surface I expect that the average vertical size will be less than the average horizontal size.” …is an example of:

[blank_start]____________[blank_end]: Long tail streamers seen in many species of bird have evolved to make males more attractive to females. [blank_start]____________[blank_end]: Males with longer tails will get more matings than males with short tails: