The frozen water at the very top or bottom of our globe

naturally existing in a place or country rather than arriving from another place (usually used to refer to people, plants or animals)

soil aka

water that falls from the clouds towards the ground, especially as rain or snow:

the addition of nutrients to water in lakes and rivers, which encourages plant growth that can take oxygen from the water and kill fish and other animals

The natural environment in which an animal or plant usually lives:

someone who catches and kills animals illegally

to keep and protect something from damage, change, or waste

a situation in which something no longer exists

able to decay naturally and in a way that is not harmful, for example, packaging or certain household chemicals can be like this

a mixture of gases that surrounds any planet

a series of living things that are connected because each group of things eats the group below it in the chain