What is a Process by wich organisms that are best adapted to their environment are most likely to survive and reproduce?

What is an inherited behavior or physical characteristic that helps an organism survive and reproduce in its environment?

What is how an oranism makes its living and interacts with the biotic and abiotic factors in its habitat?

What is the struggle between organisms to survive as they attempt to use the same limited resources in the same place at the same time?

What is an interaction in wich one organism kills another for food or nutrients?