Ablue whale is an example of which of the following?

nekton
zooplankton
benthos
phytoplankton

What is thought to have caused the mass extinction at the end of the cretaceous period?

Glucose is a form of sugar found in the blood cells use glucose as a source of energy, but too much or too little can cause serious health issues so, the body uses the hormone insulin to regulate glucose n the blood insulin maintain glucose levels in the blood if blood glucose lovels got very high, what would you expect to see happen to insulin levels?

According to the cladogram, which organisms have roundworms as a common ancestor?