1. Atom
Answer Fundamental building block of all matter
2. Molecule
Answer An association of two or more atoms
3. Cell
Answer Smallest definable unit of all life
4. Organism
Answer An individual; consists of one or more cells
5. Population
Answer Group of individuals of a species in a given area
6. Community
Answer All populations of all species in a given area
7. Ecosystem
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, Answer A community interacting with its environment
8. Biosphere
Answer All regions of Earth that hold life
9. Nature
Answer Everything in the universe, except what humans or any other sentient life have manufactured. It refers to
the physical world and to life in general
10. Emergent property
Answer • A characteristic of a system that does not appear in any of a system's component parts. • Life is
one example of emergent properties. • "The whole is greater than the sum of the parts."
11. Organisms , , and based on information encoded in
which they from their parents.
Answer Organisms grow, develop, and reproduce based on information encoded in DNA, which they inherit
from their parents.
12. Growth
Answer • Increase in size, volume, and number of cells in multi-celled species
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, 13. Development
Answer Multi-step process by which the first cell of a new individual becomes a multi-celled adult.
14. Reproduction
Answer Process by which parents produce ottspring.
15. DNA (Deoxyribonucleic acid)
Answer Molecule that carries hereditary information about traits.
16. Inheritance
Answer • Transmission of DNA from parents to ottspring (genotype). • Transmission of traits from parents
to ottspring (phenotype).
17. Producers
Answer • Organisms that make their own food using energy and simple raw materials from the environ- ment.
Example
Plants
18. Consumers
Answer • Organisms that get energy and carbon by feeding on tissues, wastes, or remains of other
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