A(n) is a type of matter that has a unique set of properties and that cannot be broken down into simpler substances by chemical means.

What best describes lactic acid fermentation?

Will someone me with this.. specialized cells which perform a particular function form: tissues organs or organism

What's wrong with this ecological pyramid? (multiple choice)1. secondary consumers should be at the bottom of the pyramid2. the sun has an arrow leading to decomposers 3. primary consumers should come after the sun4. energy retained should increase from the bottom to the top5. the sun should be at the bottom of the pyramid