Answer:
The Burgess Shale of British Columbia is famous for its exceptional preservation of mid-Cambrian organisms. Around 40 other sites have been discovered of a similar age, with soft tissues preserved in a similar, though not identical, fashion.
Answer: False
Explanation:
Prices are surging for raw materials, leading to higher costs for companies from home builders to clothing makers. ... Higher input costs generally accompany broad economic growth, which allows companies to pass along added expenses through higher prices of their own.
Answer:
Favorable adaptation, which is one condition required for natural selection
Explanation:
A population have both beneficial and harmful variations present in its members. The beneficial variations impart survival advantage and makes the individuals better adapted to the surrounding. Several butterflies in the given population have dotted wings. Since presence of dotted wings keeps the predators away, it is a favorable variation that would be favored by natural selection leading to its increase in the population in subsequent generations.
Retina and start of optic nerve
