Which group of organisms can show significant trait changes in the shortest period of time?
1 2 3 4
bacteria birds fish reptiles
Question: Which group of organisms can show significant trait changes in the shortest period of time?
(1) bacteria
(2) birds
(3) fish
(4) reptiles

Answer: (1) bacteria
Answer: (4) reptiles
Question: Which group of organisms can show significant trait changes in the shortest period of time?
(1) bacteria
(2) birds
(3) fish
(4) reptiles
Answer: (1) bacteria