Skeletons and muscles evaluation

Complete the sentences with the correct words 1. A skeleton is a framework that shapes and supports an animal, protects it´s internal organs and allows it to move to it´s enviroment.2. Most animals have one of three types of skeletons: skeletons without hard parts, exoskeletons and endoskeletons.3. A exoskeleton is a hard outer covering.4. An endoskeleton is a framework inside the body. Match the definition with the correct word The process where arthropods must change their exoskeleton periodically and produce a new one molting A tissue that is more flexible that bone. cartilage Is a place where 2 or more parts of a skeleton meet. joint Tissues that contract or relax to create movement muscles Answer true or falseA nervous system allows animals to detect signals in their environment, process the signals and react to them true false A signal that causes an animal to react in some way is called response true false An animal´s reaction is called stimulus true false Read and match the type of neuron with the correct activity sensory neurons the cat sees the mouse the frog hears the fly the shark smells blood interneurons the cat thinks a way to attack the mouse the frog looks for the fly the shark swims to the prey motor neurons the cat jumps on the mouse and catches it the frog takes out its tongue and catches the fly to eat it the shark catches the prey and eats it What adaptation does each animal have to move?Sea star fins water vascular system streamlined bodies jet propulsion webbed feet squid fins water vascular system streamlined bodies jet propulsion webbed feet snail foot and mucus body muscles long arms muscular legs ostrich muscular legs long arms body muscles long legs and 2 toes Match the animal with the adaptation dragonfly paired wings bat skin wings hawk long feathers Write the explanations below Write a short paragraph in wich you describe a complex animal´s response to specific stimulus. Explain how the 3 kinds of neurons work together to transfer information Write a description of how different adaptations on rabbits, bats and snakes helps them move as they do