Does The Population Size Increase Or Decrease At Higher Trophic Levels In The Pyramid? Explain. The population size decreases because the higher on the food chain one looks, the fewer the number of organisms that occupy that level. This is because of the energy that is available from one level to the next has to
What Two Things Are Used To Classify Organisms? The main pieces of evidence that scientists use to classify organisms are essentially form and evolutionary relationships. What are 2 types of characteristics used to classify organisms? Scientists classify organisms according to their evolutionary histories and how related they are to one another – by looking at
Can Plants Live Without Humans? Can plants live without humans? Plants do need humans. Some plants can survive without humans but many will die in the absence of humans and animals. Just like humans, plants need oxygen to survive. But unlike humans, they can’t tell their roots to start breathing. Can plants survive on their