1) Seed-dispersal caused land animals by nourishing them. Let’s consider fruit and the animals eating it. The plant is giving away something nutritious so animals will come along and swallow the plant’s seeds, and then some days later deposit those seeds somewhere else. The plant species that do this not only tend to thrive in … Continue reading Seed dispersal and animal evolution
On the graph below, The blue temperature line tracks the green CO2 line, so there is clearly a relationship between CO2 and climate. But these graphs also describe other important things, like what happens after a global warming cycle runs its course: The Earth clearly experiences cycles where 5,000-to-20,000-year clear-skied warm-ages are followed by 90,000 to 110,000-year ice-ages … Continue reading What happens after global warming?