Why would an iron deficiency cause anemia?

leukocytes require iron to produce antibodies
hemoglobin requires iron
oxygen attaches to iron dissolved in the blood
iron produces red blood cells in the bones

Gregor mendel was the first scientist to use statistics to analyze scientific data before mandel's experiments, scientists believed that organisms acquired traits from their environment and pass them on to their offspring after mendel's discoveries were accepted scientists realized that traits passed to offspring were the result of genes being passed from parent to his parents this is an example of

Which of these statements is true about autotrophs, but not heterotrophs? a. they use sugar and oxygen to make carbon dioxide and water. b. they use chlorophyll and oxygen to make carbon dioxide and water. c. they use sunlight, water, and carbon dioxide to make sugars. d. they use sunlight, water, and oxygen to make chlorophyll.

Babies with very low or very high birth weight are less likely to survive. observe a graph of the data.