Ivan pavlov's dog experiment suggested that ethologists were correct comparative behaviorists were correct both ethologists and comparative behaviorists were correct

The large ground finch obtains food by cracking seeds. what is its short, strong beak an example? a) tendency toward perfection b) adaptation of a species over time c) selective use and disuse of an organ over time d) scarcity of recourses

Where is energy trapped inside the organelle chlorophyll

Which animal group is the largest and contains more species from all the other living groups combined? is it mammals or