Answer:
When liquid water is cooled it contracts like all liquids do. The cohesion and adhesion interaction allow for water to exist underneath the ice.
Explanation:
This is true for all bodies of water, lakes, rivers, ponds, etc., all freeze from the top down. It allows for aqautic life to survive during the winter months at the floor of the body of water.
Can you explain more?? please. /////:/
Red blood cells (RBCs), also called erythrocytes, are cells that circulate in the blood and carry oxygen throughout the body. Abnormally shaped blood cells are called poikilocytes. RBCs carry oxygen and nutrients to your body’s tissues and organs. If your RBCs are irregularly shaped, they may not be able to carry enough oxygen.
Answer:
<u>a food web</u>
Explanation:
What they saw was a food web, which refers to connections of food chains showing how energy and nutrients are transferred from one organism to the other.
In this example, we observe there are <u>seven</u> organisms (fish, algae, snails, insects, frogs, raccoons + bacteria contained in the pond) in focus here.
The green algae are Producers (because it produces its own food, not dependant on others)
The bacteria act as Decomposers. ( because they process organic waste into meaningful natural nutrients again)
The other organisms are Consumers. (because they are dependant on others for their nutrition).