During the Devonian Period, when Tiktaalik lived, the only land animals were invertebrates, such as worms and insects. Which macroevolutionary pattern do you think occurred once animals were able to survive outside of the water? Explain your answer.

lysosome is this part of the cell is surrounded by a very thick outer membrane to protect the rest of the cell from its strong enzymes.

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.

answer biotechnology;