The diagram below represents four species of invertebrates as they progress through three stages of embryonic development. Select the two species that are likely to be the most closely related

The rapid decomposition of organic matter produces evidence which supports: the slow accumulation of coal deposits long ages of the earth rapid burial of vast amounts of vegetation biblical account of noah's flood

Individuals do not compete directly for resources, but are prey for the same predator

The distant ancestors of tigers may have had bodies without stripes. use the theory of natural selection to explain how tigers may have evolved to have stripes.