The term for the type of key that biologists used in separating<span> groups of organisms that are based on couplets is called taxonomic key. This key is very useful in the identification and classification of a </span>specific organism and it usually has an analytical characteristic.<span> </span>
Answer:
Let's find out if exhaled air contains carbon dioxide.
Take a glass and fill it up with some limewater. ... The limewater turns milky. This goes to show that the carbon dioxide present in the exhaled air turns the limewater chalky. The limewater turns from clear and colourless to chalky.
Explanation:
Many gene sequences that are involved in gene regulation contain a conserved sequence this means that, the conserved sequence that have same gene sequence can be present in the variety of organism they can be same or different species.
The conserved sequence means a base sequence in the DNA that cannot be changed throughout evolution. This means that the large protein structure, amino acids, sequence region were identified.
The conserved sequence of the DNA does not code protein, these are non-coding region of the DNA sequence. These conserved sequence required for the basic cellular stability, function and reproduction.
To learn more about DNA here
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Some of the more common birds that we can attract to backyard feeders are pine siskins, browncreepers, purple finches, nuthatches, chickadees, cardinals, blue jays, woodpeckers, red polls, juncos, goldfinches and red crossbills.
