What type of organic molecule is needed for active transport?

What came first egg or chicken? and is tomato a vegetable or a fruit?

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

How would you describe the the organisms in the second row of model 1 that are connected to the parents by a line