Answer:
Plants and trees are the primary sources of food for a food chain or a food web. If the population of the primary producers reduces than it affects the whole food web. If the deciduous trees are destroyed due to a fire, there will be less food available for the primary predators. As a result, competition will begin between them and their population will decline. Due to this, the population of other organisms which fed on the primary consumers will also decline.
Emigrated means they exited so due to the high amounts of pollution all the animals left which cause a population decrease
Answer:
Three examples of fossil fuels are:
1). Petroleum
2). Coal
3). Natural gas
Answer:
Two proteins that are present inside the same cell perform different functions because both proteins have different amino acid composition.
Explanation:
Amino acid is the building blocks of protein. Different proteins perform different functions due to their composition. These proteins are formed by the instructions given to the ribosome of the cell.
