The answer is restriction enzymes. These staggered ends are important in recombination of DNA since they allow DNA strands with complementary sticky ends to be easily joined into one piece by DNA ligase. Other restriction enzymes produce blunt ends. These are harder to join by DNA ligase. An example of a restriction ezyme if EcoRI
 
        
             
        
        
        
A phylogenetic tree<u> uses only 1 and 2 </u> whereas a cladogram does not. The group of answer choices includes the dimension of time indicates ancestral-descendant relationships use analogous character traits all of these.
 
A phylogenetic tree is a bifurcation diagram used to explain scientists' hypotheses about how branching between evolutionary lines occurred.
The most recent common ancestor of two taxa is the node that represents the fork between those taxa. In this case, the letter b represents the turning point between the gorilla and the human. 
A phylogenetic tree is a bifurcation diagram showing putative relationships between different species based on similarities and differences in physical and/or genetic characteristics.
 Learn more about phylogenetic trees here: brainly.com/question/1378975
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Answer: A 
Explanation: It makes the most sense because it isn't directly speaking about something, it is mainly summarizing the main idea. I'm not 100%, but that's the one I would choose if it were me. Hope I helped out a little!
 
        
             
        
        
        
Answer: Tragedy of the commons 
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Magnetism is a class of physical phenomena that are mediated by magnetic fields. Electric currents and the magnetic moments of elementary particles give rise to a magnetic field, which acts on other currents and magnetic moments.The Earth's magnetic field is somewhat caused by the composition of the earth's core which is rich in iron minerals. There is a solid inner core that is made of iron which makes up to 2/3 of the moon's size. The charged metal of the iron produces electric currents, consequently resulting to Earth's magnetic field.