Answer:
Fossil records help scientists understand about how and when an organism might have evolved. It also helps determine how many evolutionary changes a particular specie might have gone through.
The long-term evolutionary patterns for a specie can be determined by fossils. Fossil record will help us analyze all the evolutionary changes that a species might have gone through to evolve into a particular type.
The gradual evolution of a species can be predicted if the fossil records show small, increment changes in the fossil patterns.
On the other hand, rapid evolution will result when there are no intermediate fossils depicted for a specie. That specie might have aroused due to a sudden change.
I think the correct answer is option B. A newborn child is experiencing severe heart problems and has abnormally short limbs is caused by exposure to radiation. Exposure to this causes disturbance to the early development of the baby.<span />
Answer:
Observers ahead of the wave observe an apparent increase in wave frequency
Explanation:
This is the Doppler Effect. The frequency of a wave increases when the source approaches the observer and decreases as the source recedes.
B, C, and D are wrong. Observers behind the source notice a decrease in frequency.
