listen I'm only in 5th grade it's not know the answer to this how are you supposed to just be asking question like this what is this even meaning
Answer
ecosystem
Explanation:
because a biome is s a collection of plants and animals that have common characteristics for the environment they exist in. They can be found over a range of continents. Biomes are distinct biological communities that have formed in response to a shared physical climate.
Alveoli walls are composed of Type 1 and Type 2 alveolar cells
Answer:
The answer is A
Explanation:
Because available energy decreases as you go up
