I think Earth’s atmosphere plus atmosphere. So, 23+48=71. So, the answer is A
If producers were removed from an ecosystem, it would fall apart. Producers are the organisms at the bottom of the food chain, which produce glucose and nutrients for consumers. If producers were removed from an ecosystem, the consumers would have no nutrients and die, causing their predators to die, and so on.
A physical factor that influences an ecosystem is called an "abiotic factor."
It effects the environment because it can cause unstability in the food web and biotic and abiotic factors
Answer:
A
Explanation:
this is because, in smaller organism their SA/V ratio is large hence they have efficient transport of materials within their cells
