2022 BP/AP Astrobiology

astrobiology

the study of life in space

extremophile

organisms that live in extreme environments

organism

something that is alive

unicellular

made of only one cell

multicellular

made of 2 or more cells

cell

the smallest unit of a living thing that is alive

exoplanet

planet orbiting a star outside our solar system

plants and animals

example of multicellular

bacteria

example of unicellular

conditions for life

liquid, energy and CHON

CHON

carbon, hydrogen, oxygen, nitrogen

energy for life

heat energy from stars or planets

habitable zone

region around a star where liquid water could be present on a planet's surface

light year

the distance light travels in one year