<span>The fluid-filled gap is called a body cavity. There are multiple body cavities in the human body, of which include the Cranial cavity, Dorsal cavity, spinal cavity, pelvic cavity, abdominopelvic cavity, abdominal cavity, ventral cavity, and thoracic cavity. The digestive organs are protected by the abdominopelvic cavity.</span>
Woah thats crazy so so so so crazy
The pulicidae family has the most flea species of medical and veterinary importance
Answer:
B: Freshwater biomes are a vital source of drinking water.
Explanation:
It's not A because oceans are part of marine biomes, and oceans contain 97% of the Earth's water and covers 71% of the Earth's surface.
It's not C because marine biomes supplies more oxygen than freshwater biomes. Marine algae supply much of the world's oxygen supply, and they take in a huge amount of atmospheric carbon dioxide.
It's not D because freshwater biomes include streams, rivers, ponds, and lakes. Aquatic biomes include oceans, coral reefs, and estuaries.
It's B because freshwater biomes are very important to our survival because they supply people with more than half of their drinking water.