Grouping organisms Organisms that can make their own food. Form the beginning of food chains producers A feeding relationship between organisms in an ecosystem food chain Animals that hunt and eat other animals. predators A place where animals etc. live e.g. river, forest, grassland. habitat A skeleton found on the outside of an animal. exoskeleton An animal without a backbone invertebrate Animals etc. that feed on others below them in the food chain consumers Network of interrelated food chains. food web Animal class that are vertebrates, cold blooded and have skin covered in scales fish Animal class that are warm blooded and covered with fur mammals Cold blooded vertebrates that are semi aquatic group of animals amphibians A structure for protecting the internal organs and support for the body skeleton Animals that feed on plants. herbivores The highest rank in the classification of living organisms A kingdom The constant circulation of water between air, land and sea. Movement, Mrs Gren end reproduction, sensitivity, growth, respiration, excretion and nutrition Water cycle Seven life processes that all living things have.