Answer: 3. A food chain follows one path of energy and materials between species. A food web is more complex and is a whole system of connected food chains. In a food web, organisms are placed into different trophic levels.
Explanation: I was unable to answer the first one, but I think I got the 3rd one down. Hope this helps! :)
These
instructions that produces a specific protein is called the Gene. A gene is a region
of DNA that encrypts purpose. A chromosome comprises of a long strand of DNA that
involves many genes. A human chromosome can contain up to 500 million base pairs
of DNA that has thousands of <span>genes.</span>
It is an everyday life theory because it is a prediction. Molly doesn't know if she will be the best singer, but can assume that she will be because of her mother She hasn't experimented yet, so, therefore, her theory can't be supported by evidence.
Answer;
The large intestine is much wider than the small intestine, but it is also much shorter. The small intestine is the longest part of the digestive system.
Explanation;
The small intestine is a muscular tube with three parts; the duodenum breaks down the food, the jejunum and the ileum absorb nutrients and send them into the bloodstream.
The reason why the small intestine is longer than the large intestine and any other part of the digestive system is to ensure maximum and complete absorption of nutrients to the blood stream.