ANSWERS
Atom - answer☑️✔️..Fundamental building block of all matter
Molecule - answer☑️✔️..Two or more atoms
Cell - answer☑️✔️..Basic form of life; smallest unit of life
Organ - answer☑️✔️..A grouping of tissues engaged in a collective task
Tissue - answer☑️✔️..Specialized cells organized in a pattern
Organelle - answer☑️✔️..Structure that carries out a specialized metabolic function within a
living cell
Organ System - answer☑️✔️..A set of organs engaged in a collective task that keeps the body
functioning properly
Organism - answer☑️✔️..Individual that consists of of one or more cells
Population - answer☑️✔️..Grouping of the same species
Community - answer☑️✔️..All populations of all species in a given area; looks at interaction
between the species
, Ecosystem - answer☑️✔️..All biotic and abiotic things; a community interacting with its
environment
Biosphere - answer☑️✔️..All ecosystems on the planet
*Gaia Theory: planet is one big organism
Characteristics of Life - answer☑️✔️..All living things:
1) Are made up of cells *
2) Have different levels of organization
3) Obtain and convert energy from environment *
4) Respond to their environment *
5) Get larger and more complex throughout life
6) Reproduce *
7) Adapt to their environment; Homeostasis *
Carbohydrates - answer☑️✔️..1:2:1 CH2O
- Monosaccharides: simple sugars (glucose)
- Oligosaccharides: few sugars (sucrose)
- Polysaccharides: complex carbs; storage & structure (starch)
*Biologically important molecule
Proteins - answer☑️✔️..Composed of amino acid monomers
- Complex
- 3D enzymes