Https://www3.epa.gov/climatechange/kids/impacts/effects/ecosystems.html
this link might help you
Explanation:
Most diving birds have (relatively) long necks and shorts legs, although their necks aren't as long as say herons, storks or egrets. Take the common loon for instance. Their necks can be up to half as long as their bodies but their legs are so short and set so far back that they are very awkward on land.
Where’s the picture of the Punnett square?
Answer:
the virus undergoes genetic changes
I'm guessing this is a True and False Question?
If so, the answer is likely to be True, simply because The study of matter and it behaviour in motion and changes is Physics!
Hope this is the answer you're looking for