Which of the following statements is true? Cardiac muscles are only found in the heart.
Red blood cells are produced by bone marrow.
Calcium is an important nutrient for healthy bones.
All of the above

Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels

Urgent in guinea pigs, black fur (b) is dominant over white fur (b). cross a heterozygous (hybrid) black guinea pig with a homozygous (purebred) white guinea pig. complete a punnett square, identify the genotype(s), phenotype(s), and probability (% and fraction) that the offspring will be black and white?

Which of these reproductive method is the only on available to mosses and fernsspores