Answer:
The Dad must give a Y chromosome
Explanation:
To have a male child there must be an X and Y chromosome
Answer:
Climate change leads to a loss of species
Global warming resulting from human emissions of greenhouse gases. The consequences include habitat loss; shifts in climatic conditions and in habitats that surpass migrational capabilities; altered competitive relationships.
Explanation:
Answer:
Around 4.1 billion years ago, the first single celled life form appeared on Earth
Answer:
Viruses are not made out of cells, they can't keep themselves in a stable state, they don't grow, and they can't make their own energy. Even though they definitely replicate and adapt to their environment, viruses are more like androids than real living organisms.
Explanation:
A staphlyococcus cell is prokaryotic
