Which activities occur during prophase II? Check all that apply.

* DNA condenses to form chromosomes.
* Each chromosome pairs up with its mate.
* Spindle fibers form.
* Chromosomes move to the opposite end of the cell.
* The nuclear envelope disappears.

Which event would lead to primary succession of a forest?

Match the reproductive structures based on their function and the system to which they belong. egg ovary sperm vas deferens vagina fallopian tube testis urethra

You find a fossil that you are sure shows evidence of bipedalism. you know this because which of the following anatomical traits is present? a. thighbones that angle in toward the knees b. a narrow pelvis c. opposable hallux d. posterior position of the foramen magnum