Living things are made up of units called
If an organism is made entirely of one cell it is called...
Reproduction that only involves one parent and all offspring are identical; for example, binary fission of bacteria or amoebas.
Reproduction that involves two cells from different parents unite to produce the first cell of a new organism.
Living things are based on a universal genetic
code. What molecule is responsible for that code?
For single-celled organisms, _____ is
mostly an increase in size.
Multicellular organisms go through a
process called __________, where cells
divide and differentiate into different
kinds of cells.
The combination of chemical reactions through
which an organism builds up or breaks down
materials as it carries out its life processes is called ...
A stimulus can be external or internal.
Maintaining a stable internal
environment is called