Answer: The main organ of the integumentary system is the skin.
Explanation: The skin regulates body temperature, keeps germs from entering your body, and produces vitamin D to help absorb calcium.
Parenchyma is the answer because whereas the other two, xylem and phloem are vascular tissues, parenchyma is a packing tissue.
Bacteria have been the very first organisms to live on earth in the waters of the first oceans. At first, there were only anaerobic heterotrophic bacteria.
Answer: Codominance
Explanation:
Since neither type A blood nor type B is dominant over the other (i.e both are codominant), the offspring of both parents will be with type AB blood.
Thus, codominance explains how the two alleles are present in the Heterozygous individual IAIB, showing they are both fully expressed.
Water, dirt, pebbles/gravel, clouds, temperature, sunlight. Hope this helps!
