The answer would be: C) sexual selection.
Sexual selection happens where one of the individuals choose the partner to sex based on some criteria. In this case, the ability to have a beautiful bower will determinate the ability of the bird to have sex and produce offspring. The criteria are not limited to visual. It could be diverse in other cases, like a deeper croak in frog
Are there any statements given for this assignment? Because according to what I know, alligators and crocodiles are more related to birds because of archosaurian origins. However, crocodiles are more closely related to birds than snakes because the evolution of birds from having snouts to beaks are slightly evident in crocodiles for they have more pointly snouts.
answer:
it took 17,000 years for CO2 to go from 200 to 300 ppm.
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Turbines. Invented by Charles Parsons. I know I'm in middle school, but we are just learning about hydroelectric power.
Nucleus, mRNA, Rough ER, Ribosome, Golgi Body, Cell Membrane.
This question is kind of tricky since a protein would be within the nucleus AS an mRNA sequence and within the rough ER WITHIN a ribosome.
