Explain how vestigial structures provide clues about a species’ evolutionary past. illustrate your argument with vestigial structures found in humans or other real species.

State officials are considering constructing a road through a forested wilderness area. this action will likely affect the forest ecosystem in various ways. part a: predict how the construction of a road could negatively affect plants and animals in that ecosystem. (3 points) part b: describe one way that the construction of a road could have a positive impact of the forest ecosystem. (1 point)

Which best describes a gene? a. a sister chromatid b. a chromosome c. a tetrad d. a piece of a chromosome

In meiosis ii during anaphase ii which structures separated homologous chromosomes or sister chromatids