What is the starting material that plastics are made from?

water
starch
oils
sucrose

The procces of farming organism from the sea is ?

What are two reasons for why a species might disappear from the fossil record?

Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area