Birds have a hard time in cold weather, because their body temperatures are higher than those of humans They provide warmth and insulation against colder temperatures. Many birds grow extra feathers in the months leading up to colder weather, so that they'll stay warmer when temperatures drop.
Answer:
DNA binding domain and allosteric domain
Explanation:
Repressors are proteins that inhibit gene expression, They usually have DNA or RNA binding site which enables them to binde to the operator or associated silencers. Allosteric domain is the site for the binding of other molecules, such as corepressors and inducers that regulate repressor's activity.
Answer:
all of the above is correct edg
Explanation:
The answer is actually
<em>increased variation in tail feather color because the selection pressure has been relieved</em>
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<em>Good luck!</em>
<em>-RxL</em>
Answer:
Sorry kid my middle school day re long gone but ummm... don't do drugs
:)
Explanation: