Explain the importance of the law of conservation of mass.

True or false? Yogurt is produced by bacterial fermentation of milk.

If an ecologist knows the types of plants in an area, he can make a good guess as to the type of biome and the type of fauna that live there. True or False.

The original DNA strand codes for which sentence? The Fat Cat Ate The Chair The Red Dog Ate The Rat The Fat Dog Ate The Rat The Cat Ate The Rat

Which of these is an example of negative feedback? Which of these is an example of negative feedback? The end product of a reaction sequence has no effect on the reaction sequence.

All life on Earth started as unicelluar, prokaryotic organisms. Which of these structures was vital for organisms to develop in order to evolve into more complex, multicellular organisms? A) nucleus B) ribosomes C) cytoplasm D) cell membrane

Which statement best describes the relationship between activation energy and rate of reaction? O Increasing the activation energy can increase the rate of a reaction. O Reducing the activation energy can increase the rate of a reaction.

Definition: this is a haploid cell with half the reproductive information from the parent.

Does a cell use energy when molecules diffuse in or out of the cell? Why?

Below is a list of possible challenges. Check all errors that you mentioned in your answer. Traits other than beak type might affect natural selection. It could take many generations to observe adaptions to a population.

A farmer dug a well but did not find any water Which reasons most likely explain why the farmer did not find water? Check all that apply.