The seahorse is an unusual example of a <u>Hippocampus </u><span>species because the male incubates the eggs in a pouch before giving birth to fully formed live offspring.
Seahorses belong to the phylum of chordates, and species called Hippocampus. </span>
One group of reptiles, characterized by the fossil Archaeopteryx, led to the evolution of birds. The correct answer is birds
Calcium is one substance that is secreted elsewhere but not in the proximal convoluted tubule.
<h3>Renal reabsorption and secretion</h3>
Renal reabsorption is defined as the movement of water and specific solutes from the renal tubule back into the plasma.
Renal secretion is defined as the process by which waste ions and hydrogen ions pass from the renal capillaries into the renal tubule to be excreted into the urine.
At the proximal convoluted tubule, calcium is reabsorbed but not secreted. Therefore, Calcium is one substance that is secreted elsewhere but not in the proximal convoluted tubule.
Learn more about renal tubule here:
brainly.com/question/26062461
No. Because plant roots do not have access to direct sunlight. And sunlight is needed for photosynthesis.