Why do autotrophs always occupy the lowest level of ecological pyramids?

Which statement about the heart and circulation is false Aerobic fitness training raises the risk of heart disease. b. The hemoglobin on red cells, uses iron to carry oxygen and the healthy diet must include sufficient iron to avoid anemia.

Describe how a soil particle moves downhill during the freeze-thaw process.

Specialized cells in plant roots ensure that they grow down into the soil to find water and nutrients. This plant response by specialized cells is called

To create animals that have the characteristics of both species, some people have bred buffalo and Callie together. This is an example of

Which of the following if not considered to be a solute of the body? A sodium B water C glucose D guanine E triglycerides

Do vegetarians eat animal crackers?

What effect will there be on RNA if the T in GAT is replaced by C?

When cells respond to an extra cellular signal, they convert the incoming information from one form to another. This process is called signal a. induction b. interference c. transduction d. transformation

Explain the function of the villi and where they are found

Apex learning: Antibiotics destroy a bacterial infection by disabling ribosomes in the bacteria. Eukaryotic cells contain mitochondria that themselves contain ribosomes while bacterial cells have no organelles and thus have uncontained ribosomes.