Which lung structure is a tiny sac that functions as an interface for gas exchange between air and blood?

When mendel crossed a true-breeding short plant with a true-breeding tall plant all the offspring were tall. which term describes the gene for tallnes?

18. how do the cells in meiosis differ from the cells in mitosis?

The source of energy shown in the image is (renewable, non renewable, polluting) a drawback of building a dam is that (it will destroy ecosystems, it requires fossil fuels, it won’t be useful for irrigation)