PLEASE DONT STEAL MY POINTS Dub
Lub
Diastole
Sistole

(1)
The condition when the semilunar valves at the aorta and pulmonary artery are closed
during the relaxation of the ventricles is known as .

Thesound is produced by the closure of tricuspid and bicuspid
valves between the atria and the ventricles during the contraction of the ventricles
Occurs.
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The embryos of a bird, a reptile, and a mammal are similar in appearance. how does comparing the physical appearance of embryos of different species support the theory of evolution? a. it shows that these organisms share a common ancestor. b. it provides evidence that these organisms eat the same foods.c. it shows that these organisms share the same habitat.d. it provides evidence that these organisms suffered a genetic mutation.

Which kind of mutation has occurred when the codon for an amino acid is changed to a stop codon? a. a silent mutation b. a missense mutation c. a frameshift mutation d. a nonsense mutation

Which phrase best describes the main goal of a human community