Chapter 14 & 15 Flashcards
Microsphere
pre-cell that contains protein molecules inside a membrane
Coacervates
droplets of fluid necessary for life
Ribozyme
RNA molecule that can act as a catalyst
Archaea
primitive bacteria
Chemosynthesis:
primitive form of energy production that uses carbon dioxide for energy
Cyanobacteria
prokaryotic cells that can make their own food
Ozone
3 oxygen molecules & ozone layer in Earth’s atmosphere
Endosymbiosis
one of symbiotic organisms live inside the other
Convergent Evolution
2 species, same evolution
Divergent Evolution
one species 2 different evolutions
Natural selection
advantageous trait selected for in a species (also know 4 descriptions)
Adaptive radiation
species diversities and adapts to change
Adaptation
having a trait to help you survive
Artificial selection
humans breed certain traits into other species
Spontaneous generation
living thing can come from air/ non-living things
Co-evolution
species that develop traits in response to the other
Biogenesis
living things come from other living things
Radiometric dating
using a radioactive isotope to date an element or anything else
Radioactive decay
an isotope releasing radiation to stabilize the nucleus
Radioactive isotope
atom with one too many neutrons that causes radiation
Half-life
element decrease by half-life’s during radioactive dating
Fitness
ability for your offspring to survive
