Which of the following describes the findings in the early experiments looking at the relationships between birch and fir trees? the presence of birch trees is detrimental to the growth of trees both and birch are capable of sending carbon to eachother underground O fir trees shade the birch trees and prevent their growth birch trees outcompete fir trees for nutrients

stress fractures occur largely in the feet and legs and are common in sports that require repetitive impact, primarily running/jumping sports such as gymnastics or track and field.

protistas excret ethanol used in the manufacture of vinegar

those characteristics are cellular organization, reproduction, metabolism, homeostasis, heredity, response to stimuli, growth and development, and adaptation through evolution. some things, such as a virus, demonstrate only a few of these characteristics and are, therefore, not alive