Understanding Scientific Terms/Common Prefixes

Understanding Scientific Terminology Greek and Latin Roots of Scientific Terms.

Lessons:

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Index

Lesson 3 - Common Prefixes

Prefixes

ab-  : from, away from

ad-  : toward, to

end/o-  : inside, inner

ecto-  : outside, outer

epi-  : over, upon

ex/o-  : from, out of

hyper-  : above, excessive, more

hypo-  : below, under, less

micro-  : small

macro-  : big

peri-  : around

pro-, proto-  : before

root

derm  : skin

EXERCISE • Common Prefixes • Define the word

1. epidermis
2. hypodermic

SOLUTION • Understanding Scientific Terms/Common Prefixes • Define the word

1. The skin found on the top of an organism.
2. Pertaining to something below the skin.

How would you write the words with these meanings?

EXERCISE • Common Prefixes • Write the word

1. The skin on the inside of an organism.
2. Someone who is more active than is normal.

SOLUTION • Understanding Scientific Terms/Common Prefixes • Write the word

1. endoderm
2. hyperactive