Answer:
The nephron, the functional unit of the kidney, is responsible for removing waste from the body. Each kidney is composed of over one million nephrons that dot the renal cortex, giving it a granular appearance when sectioned sagittally (from front to rear).
Explanation:
Dragonflies are most closely related to damselflies. Damselflies are smaller, slimmer, and most of them fold their wings along their body when they are resting.
C. Medusa. Everything else on the list is a part of another creature, medusa is the only cnidarian here!
Answer:
the abiogenesis theory helps us understand
Explanation:
Kidney, ureter bladder and urethra