Principles of Life Flashcards

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1
Q

What is the Hierarchy of Life
(atoms→ biosphere;)

A

atom,(molecule, macromolecule, organelle, cell, tissue, organ, organ system,) organisms, population, community, ecosystem, biome, and biosphere.

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2
Q

Characteristics of Life:

G.R.A.C.E

A

G - growth and developement
R - reproduction
A - adaptation and responce
C - made of cells
E - energy

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3
Q

growth

A

an increase in size

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4
Q

developement

A

change or appearance of a new feature

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5
Q

reproduce

A

produce new organisms and pass on their genetic traits

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6
Q

adapt

A

over long periods of time, groups of organisms do this in response to their environment, which is known as evolution

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7
Q

respond

A

to their surroundings to get back to their “normal state” - known as homeostasis

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8
Q

cells

A
  • living things have to be made of these basic units
  • smallest living unit in an organism
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9
Q

prokarytic cells

A

cells that don’t contain a nucleus nor membrace bound organelles (ex. mitocondria)

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10
Q

eukaryotic cells

A

THEY HAVE A NUCLEUS

organisms obtain and use materials (food and energy) to grow, develop, and reproduce. The chemical reactions that enable living things to get energy are called metabolism.

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