Describe the categories of evidence for evolution that were available to Darwin. Give an example from each category.

Which feature of a human community is similar to a niche in a biological community

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?

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