Describe how three different organism - human, flatworms and fern obtain the oxygen they need for survival.

Which injury would likely cause the body to permanently lose the ability to perform simple reflexes

Which one among the greenhouse gases is the most abundant in the atmosphere?

Maple leaves, palm fronds, pine needles, and grass blades are each different kinds of modified leaves.

Last night in class, Upe asked her instructor about the flow of positive and negative ions into and/or out of a cell. Her instructor told her that the two processes involved in this movement are: A. diffusion and electrostatic pressure. B.

Write a short note on atp

Water covers over two - thirds of Earth's surface. Yet water shortages are a major problem for many people around the world. Why do you think this is the case?

Which of the following is not true about cells? 1) All living thing begins life as a single cell. 2) The cell is the basic unit of the structure and function of life. 3) It takes many cells to make a complex organism.

Is mold that grows on bread a decomposer a producer or a consumer

In the Atlantic which part of the oceanic crust is older

Item 2 Put the following in order from smallest to largest: Organism Tissue Organelle Organ Organ System Cell