Answer:
holding a yearly drawing
using the color black to indicate the unlucky winner
sacrificing people from the town every year
Answer: the blue squares are B and the white squares are BB
Embryologist study embryos because Embryology is central to evolutionary developmental biology ("evo-devo"), which studies the genetic control of the development process (e.g. morphogens), its link to cell signalling, its roles in certain diseases and mutations, and its links to stem cell research.
Answer:
I think the answer is D
Explanation:
organisms can migrate to other areas and become an invasive species which can cause global problems. other things such as air pollution, water pollution, fires ect dont just remain in one area and all contribute to global warming which is a global issue.
Valves ensure blood flows toward your heart. Vein valves work to bring the blood that flowed down via arteries back up to your heart.
