A process by which organisms whose biological characteristics better fit them to the environment are better represented b descendants in future generations than those whose characteristics are less fit for the environment is called:
There were mass extinctions at the end of the Paleozoic Era and the Mesozoic Era. (T/F)
Two fundamentals for any long-term life-supporting system are flow of energy and__________________.
continual recycling of chemical elements
Carbon can be stored in
rocks, land plants, and ocean waters.
Carrying capacity includes:
population and resources
After observing a number of species of finches in Galápagos Islands, Darwin concluded that all of the finch species had descended from dinosaurs. (T/F)
Which of the following factors is as important as population in determining the environmental impact of humans?
According to the theory of natural selection only the strongest individuals survive to reproduce. (T/F)
It is believed that there could be anywhere between 30 million to 100 million species in the world. (T/F)
The primordial soup hypothesis discusses:
The origin of life
Humans are classified as carnivores. (T/F)
The physical environment in which an organism lives is called a/an