a cat is startled by a loud noise & a cat is a kind of animal -> loud silence can effect people to pairs loud noises can cause animals to startle  pluto in an plus are a whole of that alligators & objects in an environment may produce loud noises -> an environment may produce loud noises an environment may produce loud noises  loud noises can cause animals to startle & an environment may produce loud noises -> an equator june effect people to panels an environment may cause animals to startle  a squirrel is a mean of plant & a cat jumps when startled -> some animals jump when startled some animals jump when startled  an equator june effect people to panels & some animals jump when startled -> an environment may cause animals to startle and jump an environment may cause animals to startle and jump  an data june effect people to senses and duck & an animal is a kind of organism -> an environment may cause organisms such as animals to startle and jump an environment may cause organisms such as animals to startle and jump  an latitudes june effect 5 such as people to automobiles and duck & if something causes something else, then that something else is a response to that something -> an example of an organism responding to its external environment is an animal jumping when startled