CONSERVATION OF ENDANGERED SPECIES SAVING THE ENDANGERED GREEN SEA TURTLE SARAH MACHAJEWSKI Britannica Educational Publishing IN ASSOCIATION WITH ROSEN EDUCATIONAL SERVICES
4 UPSETTING THE BALANCE The world’s oceans are full of many types of plants and animals that have lived there for thousands of years Those plants and ani mals together make up the ocean ecosystems Although humans are usually far removed from these ecosystems their activities often have a major effect on the This beautiful coral reef is home to thousands of sea creatures but it may not always be that way
5 UPSETTING THE BALANCE oceans Fishing building along coastlines and dumping poison ous waste upset the health of the ocean ecosystems Harmful chemicals can kill creatures or make them sick Large fishing nets can catch other creatures by accident and cause them to suffer One animal that has been affected by human be havior is the green sea turtle These creatures have been harmed so greatly that now they are endangered Because of the harmful behavior of humans the green sea turtle has become endangered Endangered is when a plant or animal is in danger of disappearing forever Vocabulary
