Which science studies life?
ℹ️ Biology is the science that studies life – the structure, function, growth, origin, evolution and distribution of living organisms. The word "biology" is derived from the Greek words "bios" (meaning life) and "logos" (meaning "study").
Four principles unify modern biology
1️⃣ Cell theory
All living things are made of fundamental units called cells, coming from preexisting cells.
2️⃣ Gene theory
All living things have DNA.
3️⃣ Homeostasis
All living things maintain a state of balance that enables organisms to survive in their environment.
4️⃣ Evolution
All living things can change to have traits that enable them to survive better in their environments. These traits result from random mutations in the organism's genes that are "selected" via a process called natural selection during which organisms with traits better-suited for their environment have higher rates to survive and pass those traits to their offspring.
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