Different types of blood contact different kinds of antigens and antibodies. For example, Type A blood has A antigens and B antibodies, antibodies being the thing that fights B antigens. Type B blood has B antigens and A antibodies. So if someone with type B gets transfused with Type A blood, the person's antibodies will attack the new blood.
Answer:
D.
Explanation: Ecology: relation of organisms with one another or their surroundings.
Interphase: You could not distinguish any parts of the cell.
Prophase: You could clearly see the chromosomes throughout the cell.
Metaphase: The chromosomes where lines up in the middle of the cell.
Anaphase: You could see the chromosomes were separated to ether side of the cell.
Telophase: The entire cell was separated to each side but was not split into its own cell.
Cytokinesis: In this step the cell had totally separated and there was now two separate daughter cells.
A is your answer I believe because they do indeed provide a way to review other scientists work and or experiments
Answer:
Eubacteria have the typical characteristics of a prokaryotic organism, but they also have the ability to form spores and can be pathogenic organisms (like causes disease in humans and animals).
Explanation: