66. Which of the following fishes excrete large volume of diluted urine?

58. Which of the following patterns of reproduction are found only among invertebrate animals?

Matching #4: Identify each indicated structure of the female reproductive system. Female Reproductuve.jpg

Matching #1: Identify each indicated structure of the human heart.

51.  The process of urination is called ____.

56. The mechanism of regulation, typically between entities and its environment of solutes and the loss and gain of water is known as ____.

25. Animals with reproduction dependent on internal fertilization need all of the following except ____.

57. This type of immunity is present only when a newborn infant is fed by nursing and ends when nursing ends.

20. The structure between the uterus and the vagina is the ____.

Which one of the following pairs of eukaryotic cell structures and functions is correctly matched?