Answer:
A. Ancient bacteria
Explanation:
From the salt of the earth, researchers have isolated and revived a Bacillus strain, which they believe is >250 million years old. If correct, Russell Vreeland and his colleagues from West Chester University, Pennsylvania, have discovered the oldest living organism in the world.
Answer:
B
Explanation:
A haploid has one, which refers to the sex cells (eggs/sperm)
diploid has 2
Including the arthropods (e.g., insects, crabs), mollusks (clams, snails), annelid worms
including those of the phyla Echinodermata (e.g., starfish, sea urchins), Chordata (e.g., sea squirts, lancelets, and vertebrates), Chaetognatha (e.g., arrowwo
I’d go with B. (if it’s not then C)