What 4 characteristics do all chordates share

When does dna replication(make a copy of itself)?

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

Time remaini 02: 50: 5 in the farewell speech, queen elizabeth's use of first-person point of view her to appear to be impartial and objective prevents her from addressing the audience directly allows her to share her personal thoughts and ideas, makes it seem as though she's observing from the outside, mack this and return save and evit