Answer:
a competition to survive and reproduce; the struggle for existence
Explanation:
C. <span>the surviving spiders were naturally resistant to the pesticide and that resistance was inherited by their offspring.</span>
<span>A Telescope That Uses A Converging Lens To Collect Light</span>
Answer:
Ninhydrin causes prints to turn a purple color, which makes them easily photographed. DFO (1,2-diazafluoren-9-one) is another chemical used to locate latent fingerprints on porous surfaces; it causes fingerprints to fluoresce, or glow, when they are illuminated by blue-green light.
Explanation: