Explain why humans need a circulatory system to transport oxygen, while single-celled organisms like the amoeba do not.

A part of the auditory pathway responsible for auditory reflexes is the

Facts about freshwater

Which of the following is mostly likely the greatest contributing factor to decline Atlantic cod populations a. overfishing b. legal regulations c. increasing reproductive capacity d. water temperature

What are three things scientific name can describe about an organism

Why are decomposers important? They break down dead and decaying organic material. They return nutrients and elements to a usable form in the environment. They consume the most energy of all the trophic levels. Both A & B are correct.

During the digestion of foods, large molecules are broken down into smaller molecules

Identify each statement as a hypothesis, theory, or law. Higher air pressure causes fuel to burn at a faster rate.

Which sequence represents the correct levels of organization for multicellular organisms

Which statement best compares and contrasts lipids and carbohydrates? Both are used for tissues, but only carbohydrates are used for tissue growth. Both are used for energy storage, but only carbohydrates are used for long-term energy storage.

What is another name for lane d in the diagram