Starfish has a endoskeleton
a coral has a exoskeleton
sponge has neither
Explanation:
hormones are transported through blood to the areas where they are needed
please mark me as brainliest
The answer is <span>c. Cold and flu season occurs when the weather is cold, so there must be a connection.
Even though choices a. and b. could make sense, nothing in Joel's research implies the connection between the choices and cold. Therefore, this leaves choice c. as the right one. If cold and flu season occurs</span><span> when the weather is cold, there must be a connection between cold and cold weather.</span>
Growth & repair and maintence if body cells and tissues and its secondary function is energy
