Describe a mutation in an animal that could have a positive outcome for the organism.

How do heterotrophs and autotrophs differ in the way they obtain energy

Where do supporters of the outside-in model say Earth's water originated from? Inside of volcanoes Inside the atmosphere Bonded to meteorites that hit the Earth Bonded to minerals in Earth's mantle

8. In the S-Phase of the cell cycle; DNA is replicated. Why would eukaryotic cells need to replicate DNA before the nucleus divides? A. To trigger genetic transfer of DNA. B. To encourage rapid mutation rates in the organism. C.

Which factors cause air masses to move in the United States? Check all that apply.

How do worms reproduce? a. only sexually. b. only asexually. c. both sexually and asexually. d. none of the above?

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.