Answer:
as the human population grows, more people will on be on earth and if those people pollute in the ocean the ocean will get dirtier and unhealthy for the underwater creatures.
It’s B.
Bases to Amino Acids to Proteins to Cells to Tissue to Organs to Organisms
Organisms are a collection of organs, organs are a collection of tissues, tissues are a collection of cells, cells are a collection of proteins, proteins are a collection of amino acids, and amino acids are a collection of bases.
Answer:
Explanation:
Homologous recombination is needed for the production of new combinations of DNA sequences during meiosis and it is important in the production sperm and egg cells in humans.
Defect in homologous recombination can give rise to gamete aneuploidy (presence of extra or missing chromosomes), which is the leading cause of pregnancy loss and infertility in humans.
The answer is 4. Hope this helps
It gets its nourishment from its mother. The human embryo is connected to its mother by a placenta through which materials are passed.