Answer: Rocks are abiotic
Explanation: They arnt alive so how can it be biotic?
The process by which oxygen is taken to the lungs is called Inhalation or Inspiration.
Answer:
A. Whales evolved from four-legged animals.
Explanation:
I'm 100% on this one, because on Plato we were learning about evolution, and one of the slides said that whale had evolved from four legged animals.
Hope this helps ya!!!
Got a screenshot for proof!
The earthworm has a closed circulatory system. An earthwormcirculates blood exclusively through vessels. There are three main vessels that supply the blood to organs within the earthworm. These vessels are the aortic arches, dorsal blood vessels, and ventral blood vessel
Answer:
All of the above
Explanation:
The definition of ecosystem is "a biological community of interacting organisms and their physical environment." and all four of the answers fit the bill.
