One example:
Energy moves through an ecosystem through different organisms. For example, plants can absorb energy from the sun. Animals, such as grasshoppers, can eat the plants and the energy goes to them. Progressing higher up the food chain, the energy continues to transfer through different animals - grasshoppers can be eaten by mice, mice by snakes, snakes by eagles, etc. etc.
They are considered as biased. Explanation: It's biased because it's based on how we feel instead of facts
Cellular respiration. aerobic glycolysis is the synthesis of glucose to ATP in humans
DNA is pretty much a blueprint for how cells should work. So DNA tells the ribosomes in the cell to make protein.
Sorry if this answer is incorrect, I'm just starting to learn about this :(