The famous fossil lucy was classified as what species

If red blood cells are placed in an hypotonic solution what happens?

Which answer below correctly identifies the type of change and the explanation for the separation of the iron with sulfur?

What is the main difference between a cell nucleus and a nucleoid? - A. Presence or absence of a surrounding membrane B. Arrangement of the cytoskeleton C. Back and forth movement of a flagella D. Size of the organelle

For a cell to maintain the appropriate balance of materials inside and outside of the cell, materials must be able to move in and out of the cell. The degree in which materials are able to flow freely through a cell's membrane is known as

Which of the following locations would have the least humidity? A hot, dry dessert B cold, dry iceberg C warm, rainy forest D cold, snowy mountain

Facts and data are objective, while and opinion is

Which process in the water cycle results directly in snow?

What is the difference in structure of the antennae and antennules?

The cause of type 1 diabetes is the destruction of insulin-producing sites by

Pollution stays in the area where it is produced. a. True b. False