A thing found in nature that is useful to organisms

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn't exist there?

Subject: Science how do sedimentary rocks form?

Water (H2O) is an example of a molecule whose atoms are held together by which of the following? Question 1 options: covalent bonds ionic bonds metallic bonds hydrogen bonds

A sample of DNA from a human skin cell contains 32% cytosine bases. Approximately what percentage or the bases in this sample will be thymine?

Which is the most complicated, interconnected diagram that shows all the possible flows of energy from different trophic levels? Food web Food chain

Salt and water are mixed together in a bowl. The salt dissolves. The bowl of salty water is left out on a table. After a few days, you notice that the water is gone and that the bowl is covered in salt. What can you conclude? A.

When a Staphylococci species ferments mannitol on Mannitol Salt Agar, A. the Staphylococci cells turn yellow B. the Staphylococci colonies turn yellow C. the media around the Staphylococci colonies turns yellow

Which of these practices does the most to keep wind and water from Carrying away topsoil?

32. Explain why it is hard to classify organisms in Kingdom Protista? What are the definin characteristics of the kingdom?

Broken circuits can produce strong electric shocks.