The immune system has many kinds of white blood cells to fight infections. HIV finds the white blood cells, called CD4 cells. But with cancer the white blood cells are being killed off.
Explanation:
both prokaryotic and eukaryotic cells have structures in common .all cells have plasma membrane ribosomes cytoplasm and DNA
Answer:The different type of wing is most likely heritable, but i'm not sure.
Explanation:
Answer:
Charles Darwin
Explanation:
Because he created the theory of evolution
Answer:
Occurrence. Most auroras occur in a band known as the "auroral zone", which is typically 3° to 6° wide in latitude and between 10° and 20° from the geomagnetic poles at all local times (or longitudes), most clearly seen at night against a dark sky.
Explanation:
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