Most___animals have developed circulatory systems to transport materials.

unicellular

multicellular

both a and b

none of above

Basal Metabolic Rate Factors The basal metabolic rate (BMR) is the minimum amount of energy needed to maintain basic physiologic functions and keep the body alive. However, this rate is different for each person.

Many u. s farmers have lost their family farms over the last 40 years because they could not?

Which physical layers correspond to which compositional layers

Scientists know that all living things, from the smallest bacterium to the largest blue whale, are made of cells. Why is this a scientific consensus? Check all that apply. Many scientists have made the same conclusion.

Viruses can survive refrigerator and freezer temperatures true or false

Ethanol is produced during what cycle or fermentation

Explain briefly why there is a limitation on how big a cell can be. Include in your explanation the relationship between a cell's size and its surface area and how this affects what the cell can do.

Which effect is most likely caused by nondisjunction during meiosis? A. an extra chromosome B. an increase in nuclei C. increased survival benefits from traits D. only two types of nitrogenous bases

A segment of dna that codes for rna and a protein is a

For older adults and previously inactive individuals, exercise intensity should fall closer to what percentage of the maximal heart rate?