Definition: This is a highly developed and specialized organ that is an extension of the central nervous system, and functions to take in information and help send it to the brain. Example: eye, tongue, antennae

Which of these has happened to your food by the time it reaches your small intestine? a. all the macromolecules have been broken down completely. b. lipids and starches have been partially broken down. c. starches and proteins have been partially broken down. d. proteins and lipids have been broken down into subunits.

Which short-term environmental changes would a very small asteroid or comet impact on earth most likely cause? check all that apply. flooding extinction craters on surface changes in weather patterns death of organisms and populations

Every early childhood education program should develop a