Fall Final Exam Review

Front

What percentage of energy is passed on to each trophic level?

Back

10%

Front

What elements do all living organisms contain?

Back

CHONPS (Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorus, Sulfur)

Front

The Law of Conservation of Mass says that matter can neither be __________ or __________.

Back

created; destroyed

Front

What type of reaction is used to build a larger molecule?

Back

Dehydration Synthesis, removing water

Front

A stable atom.....

Back

has a filled outer shell

Front

What is the primary function of chlorophyll in plants?

Back

To absorb light energy for photosynthesis.

Front

What is the difference between an ionic bond and a covalent bond?

Back

Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons.

Front

What is the pH scale used for?

Back

To measure the acidity or alkalinity of a solution.

Front

What is the role of enzymes in biological reactions?

Back

Enzymes act as catalysts to speed up chemical reactions.

Front

What is the process of photosynthesis?

Back

The process by which green plants use sunlight to synthesize foods with the help of chlorophyll.