Study the cladogram. Which organism is most closely related to the fish?

lamprey
mouse
frog
shark

Despite the differences in mature plant cells, all of them are derived from meristem cells. the three major types of tissue systems develop from the meristem. meristems develop cells in all but which tissue?

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

Which short-term environmental change is most likely to lead to ground shifting, landslides, and the collapse of buildings or roads? forest fires flooding earthquakes