There are four phyla or categories of fish, Hagfish, lampreys, cartilaginous and bonyfish.
Answer:
The Answer is B. Galapagos finches have different beak adaptations.
Explanation:
Answer is: active transport.
In active transport<span> because energy is required to move the sodium and potassium ions against the concentration gradient. There is two type of active transport:
1) </span>Primary active transport directly
uses metabolic energy (adenosine triphosphate- ATP) to transport molecules
across a membrane.
2) In secondary active transport (coupled
transport) there is no direct coupling of ATP, energy derived from
the pumping of protons across a cell membrane.
Ummmm because the gravity pulls it down because of its weight
