A student collected the animal shown below on a field trip. The student used a dichotomous key and a microscope to classify the animal.

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction.

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