Which of these has NOT provided evidence showing that the continents

have drifted over time?

O A) rocks

OB) fossils

OC) earthquakes

OD) geologic structures

A deletion mutation in the leader sequence of the trp operon removes the two tryptophan codons that are involved in attenuation. Predict the effect of this mutation on the expression of the trpstructural genes in E.

The process by which plants give off water vapor

Which fungus is an example of a sac fungus. A. bread mold, B. garden mushroom, C. morel, D. athletes foot

What is the role of the decomposers in a rain forest ecosystem?

Two babies were born in the same hospital at about the same time. One baby, Jose, has blood Type AB, and the other baby, Juan, has blood Type A. Mr. Gonzalez has Type A blood and Mrs. Gonzalez has Type AB. Mrs. Gomez has Type O, and Mr.

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.