List two reasons why amphibians must live in moist environment.

True or false: an infant's ability to move and manipulate, which is the development of motor skills, occurs in an orderly, logical sequence.

If there is a blockage between the av node and the av bundle, how will this affect the appearance of the electrocardiogram?

Compare and contrast the tundra and the desert. How are they similar and how are they different?

Where are chloroplasts mostly found?

How many genes make up the human genome? four: adenine, thymine, guanine, and cytosine 23 pairs of genes 20,000-25,000 genes 3 billion genes

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.