VOA慢速英语:Fewer Creatures in Future Oceans Could Provide Less Food

biodiversity – n. the many different kinds of plants and animals in an area

marine – adj. relating to the water or the plants and animals that live in the sea

species – n. a group of life forms that are similar and can produce young plants or animals

abundant – adj. plentiful

ecosystem – n. everything that exists in an environment

geographic – adj. belonging to an area or country

top dog – idiom. the most important or powerful person in a group

static – adj.  showing little or no change, action, or program