1. Which of the following are aspects of the niche of a crab? A crab spends most of its time scavenging for food in the sand.
O A crab lives in the intertidal zone.
A crab has an exoskeleton.
O A crab will avoid predators by quickly moving underneath an object to hide.

littering streams           is the answer

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .

the correct answer is b

your body is trying to warm itself up. or more precisely, sensors in your skin send messages to your brain to generate heat to your body.