How do models ecologists understand global systems?

One statements is an example of a scientific observation. another statement is an example of a scientific explanation. identify the correct statement for each category to illustrate how scientific explanations are inferred from scientific observations.

Which of the following describes the difference in stimuli required to detect a difference between the stimuli? a. just noticeableb. signal detectionc. subliminald. top down

Which to produce involved from a symbiotic relationship of organisms which resulted in eukaryotic organisms contain chloroplast