Answer:
What impact do the available amounts of energy, water, and oxygen have on an ecosystem? They act as limiting factors. ... increasing the biodiversity of the ecosystem.
C. Medusa. Everything else on the list is a part of another creature, medusa is the only cnidarian here!
Answer: Histology is the study of the microscopic anatomy of cells and tissues of plants and animals. It is performed by examining a thin slice (section) of tissue under a light microscope or electron microscope.
Explanation:
The reason to why they can't is based their weigh and age the average of blood in an adult is 5 liters same as a child weighing 80 kgs so i think that it would depend on your age and weight
