What is the difference between xylem and phloem?

Which of these terms refers to rock material that has been weathered physically, chemically, and biologically? A. erg B. soil C. talus D. loess

Identify organelles in na animal cell?

The study of island biogeography is best said to be based on

What compounds make up cellulose

Ancient astronomers thought that Earth was flat. Which observation eventually proved that this is wrong? A) Earth is at the center of the solar system. B) The moon and the sun are spherical in shape. C) There are days and nights and seasons on Earth.

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.