What is a fossil?
Answer and explanation
Correct answer: B. The preserved remains or traces of an organism
- Step 1: Fossils provide evidence of past life.
Answer
The preserved remains or traces of an organism.
Why not the others: A living organism, A type of rock only and A mineral don't fit.
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More Immunity, DNA Technology and Change Over Time questions
- Which type of cell presents antigen fragments on MHC class II molecules to activate helper T cells?
- Which cells are responsible for secreting large quantities of antibodies during an immune response?
- What is the main role of helper T cells in the adaptive immune response?
- How do cytotoxic T cells destroy a virus-infected body cell?
- A vaccine against a virus provides long-term protection mainly because it:
- A newborn gains antibodies from its mother through breast milk. This is an example of: