Unlike fossil fuels, solar energy is considered nonpolluting because the chemical and radioactive products of solar fusion
A) stay near the sun.
B) are destroyed in Earth's atmosphere.
C) would be produced on Earth anyway.
D) quickly break down when they strike the Earth's soil.
Question 2
The most stable predator-prey relationships typically involve communities in which there are
A) many prey species and several natural predators.
B) many species of carnivores eating each other.
C) only bottom-up population regulation.
D) only top-down population regulation.
A hypothetical scenario illustrating the process of chemical selection
Orcinus citoniensis fossil, an extinct species of the same genus, Museo Capellini di Bologna
Comparison of the chemical structures of psilocybin and LSD. Psilocybin (left) is derived from a mus
Comparing fossil patterns of the Hadar Baby, the Taung Child, and Au. Robustus.
Modern Armadillo versus a Fossil Glyptodon
Energy homeostasis is regulated primarily by the brain, gastrointestinal tract, other organ systems,