Which of the following is an example of a negative feedback mechanism? Select one:

A bird growing new feathers when the temperature decreases.

A dog walking in circles before it lies down.

A person developing a fever when they are sick.

A deer standing perfectly still when crossing headlights.

Food provides molecules that serve as fuel and building material for all organisms. plants undergo photosynthesis and make their own food. other organisms, like us and the horse seen above, are consumers and eat food. how do all organisms use food as fuel? be sure to include the name of the process in your answer. me.

1. describe the structure and function of the specialized cells you observed in the video. 2. research the types of cells present in the kidney.

Which of these is an example of land degradation? a. containers designed to store pollutants leak. b. fertilizers provide too many nutrients to crops. c. garbage is buried so the land can be reclaimed later. d. a drought kills all the plants in an area, leaving bare land