Which term describes the relationship in which one organism lives inside the other one. check the correct answer. phagocytosis symbiosis endosymbiosis

Blood, made up of red and white blood cells, work together to form

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell

Rarefaction is used for which of the following? a. creating a representative sample b. studying how disease impacts populations c. rediscovering species thought to be instinct d. determining which sea creatures live in an area