What does I. U. D. Mean

Which of the following is an example of an organ? A. Muscle tissue B. Stomach C. Heart D. Brain cell

How do organisms get energy?

Which is the largest level of classification on this list? A. Class B. Phylum C. Kingdom D. Order

A mutation near the middle of a gene changes the DNA to the following nucleotides: ATT. What kind of mutation occurred in this situation? A) missense mutation B) nonsense mutation C) silent mutation D) none of these

Two or more units are added together to form a new compound? deftion

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.