For more than three-quarters of the Earth's history, the oxygen level in the atmosphere and ocean was insufficient to support animal life
," points out lead author Swapan Sahoo, a Ph.
I immediately fell in love with its animal life
and decided to explore more", she says.
It would be naive to think that any one cause ignited this phenomenal explosion of animal life
Described by the researchers as a 'cascade of events', the interacting causes behind the explosion in animal life
are likely to have begun with an early Cambrian sea level rise.
They believe animal life
began with a rise in the sea level, which generated a large increase in the area of habitable seafloor, which, in turn, led to an increase in animal diversity.
The text examines "Darwin's dilemma," the lost history of the origin of animal life
in the Precambrian time.
only took off during the "Cambrian Explosion" around 530 million years ago, when large numbers of complex, multicellular organisms suddenly appeared.
This in turn limits food sources, and thus displaces animal life
Animal Planet is the cable television channel dedicated exclusively to the study and presentation of wonderfully diverse world of animal life
After a very long pause, he replied, ``I prefer focusing on human life as opposed to animal life
Scientists say this lit the fuse for an outburst of diverse forms of animal life
530million years ago, known as the Cambrian Explosion.
Each of the approximately 180 homes will be designed to be in harmony with the traditions and aesthetics of the region (adobe, stucco, rammed earth, masonry) and built to be environmentally respectful to indigenous plant and animal life