Answer:
No but they have cardiac chamber, compared with humans' four-chamber hearts, are a group of cells called nephrocytes that serve the same function as human kidneys
Explanation:
Organic means it is made only of carbon.
Explanation:
The all four types of macromolecule are organic means these all four type of macromolecule made up of carbon. These four macro molecules are carbohydrate, protein, nucleic acid and Proteins. All are essential cell component perform a wide array of function.
Biological macromolecule is organic so they contain carbon. A part of carbon they contain nitrogen, hydrogen and additional minor element. Enzymes and some hormone are example of protein.
Answer:
c.
an increase in ecosystem stability
Explanation:
Weathering is wearing down objects by elements in an environment
