Typically spider's bloods blue due to the presence of which of the following.
Correct answer: C. Haemocyanin
- A. Hemoglobin
- B. Haemoerythrin
- C. Haemocyanin
- D. Both B and C
Explanation
The blue color of a spider's blood is typically due to the presence of haemocyanin (option c). Haemocyanin is a copper-based respiratory pigment found in the hemolymph (blood) of some invertebrates, including spiders. It turns blue when oxygenated and is responsible for transporting oxygen in their circulatory system.
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