Examples of chemical mutagens would be nicotine and other compounds in cigarette smoke that cause mutations involved in lung cancer.
Answer:
Almost all the animals can heal wounds, but only some can regenerate. One hypothesis is that certain regeneration-specific genes are expressed exclusively in regenerative species and evolutionarily lost in nonregenerative species.
Explanation:
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Okay My three Consumers I’m going to use are-
•Herbivores
•Carnivores
•Decomposers
Explanation~
For herbivores there living things that eat only plants to get energy so an example of that could be Whales,Elephants, Cows etc
Carnivores are meat eaters soo those would be animals like owls,Tigers,Sharks etc
Decomposers break down dead plant and animal material and examples of those would be Earthworms and Mushrooms
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The hemoglobin that is about 65% saturated with o2 in a healthy resting person Systemic veins & pulmonary arteries.
<h3>Define Hemoglobin?</h3>
Hemoglobin is a protein in red blood cells that takes oxygen to body's organs and tissues and elates carbon dioxide from organs and tissues back to your lungs.
Thus, Systemic veins & pulmonary arteries are correct.
To learn more about hemoglobin click here:
brainly.com/question/15011428
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