Evidence from the lab that MATTER moved from one organism to another

Help me plz

Types of scientific inquiry that biologist engage in that cannot be completely controlled

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers