The occurrence of large or small beak size among seed crackers in the absence of medium sized beaks is an example of
1) directional selection
2) disruptive selection
3) normal distribution
4) stabilizing selection

Aseries of connections of food chain in an ecosystem is called a what

"acknowledging a right to benefit from the presence of animals requires government action to ensure human access to animals in a number of different spheres," writes jessica pierce, ph.d., in psychology today. the pragmatic meaning of the term "right" in this statement is

Body systems are not completely independent they integrate and work together describe one example of the integration between body systems