<span>Large changes in allele frequencies can occur in a short time - any changes in frequency, occurring as a result of random chance, would have a proportionally larger effect in a small population. </span>
Answer:
Scientists have found fossils of whales and other marine animals in ... When these animals died from 15 million to 20 million years ago, their ... In geological terms, the time the fossils took to rise from ocean floor to mountain top was ... In more recent sediments, the group found species related to modern .
Explanation:
Well when writing a CER first you need to state your claim after stating your claim you need to support your claim with evidence from your sources and after that you need to give reasons on how your evidence supports your claim
Rapid environmental changes can cause:
1) Species can become vulnerable to extinction.
2) A decrease or increase of populations.
3) Diversity of species.
Answer:
carbohydrates
Explanation:
because they are energy providing foods
