<span>d. all of the above<<<<<<<<<</span>
Explanation:
Phytoplankton, Zooplankton, Small Fish, Mammal
Phytoplanktons are the small photosynthetic organism that can produce their own feed and so are the producers in this food chain. Zooplanktons are small organisms incapable of producing their own food and eat phytoplanktons. Small fishes consume zooplanktons since due to their small size they are unable to eat bigger organisms. Mammals eat small fishes since they are omnivorer.
Answer:
Definitely A. mililiter, centimeter, gram
Answer: The excretory system is largely associated with the urinary, or renal, system. This system consists of various organs that produce and then excrete the urine out of the body: the kidneys, ureters, the bladder, and the urethra. They include the kidneys, large intestine, liver, skin, and lungs. The kidneys filter blood and form urine. They are part of the urinary system, which also includes the ureters, bladder, and urethra. Each kidney has more than a million nephrons, which are the structural and functional units of the kidney.
Explanation: