2.1 Copy and complete these sentences, using words from the list. You may use each word once, more than once or not at all.
• atoms • large
• molecules • pieces • small
Teeth break down large lumps of food into smaller
break down the large
of the nutrients in the food into small
This allows the nutrients to pass out of the alimentary canal through the wall
intestine.
of the intestine

What is the process by which biological parents pass traits such as hair type or eye color to their children

Answer questions from exploring further

The table below shows data for a population of fish in a pond. fish body color # of fins scales? tail shape a silver 4 yes fan b pink 4 yes flat c black 4 yes fan d orange 4 yes flat e orange 4 yes fan f silver 4 yes flat which of the above characteristics would be most in developing a classification system for the fish? a. body color and tail shape b. presence of scales and tail shape c. body color and number of fins d. number of fins and presence of scales