Evolutionary biologists say that there is a good reason for gaps in the fossil record. Can you explain why some animals and plants were never fossilized?

This comparative chart is an example of one that might be used by scientists and law enforcement personnel for identification purposes. the chart represents a technological advance called

Overtime the pond slowly becomes more acidic due to the release of chemicals from a nearby factory. which of the organisms would most likely survive the change to their environment?

When ash and dust begin to settle on the ground, they eventually become compacted by