To determine how closely related organisms are, scientists consider all of the following EXCEPT
A. embryonic structures.
B. homologous structures.
C. analogous structures.
D. vestigial structures.

Genetic diversity is the variation in the genes of an entire species. each circle represents a population of a particular species in different habitats. select the population with maximum genetic diversity

Why do we perceive objects as retaining their brightness under different lighting levels?

Prior to the mt. st. helens eruption on may 18, 1980, satellite and topographic views of the volcano were captured. based on the topographic map of mt. st. helens, what is the contour interval if the volcano height is 2,950 m? question 9 options: 600 m 400 m 750 m 500 m