<span>runoff of pesticides into streams and lakes.</span>
Number 1: The Circulatory System is a vast network that contains organs and vessels.
number 2: Arteries have a thick wall which helps a powerful pressure from the heart.
number 3: Without the Circulatory System the body wouldn't be unable to maintain a internal environment.
number 4: The Circulatory and Respiratory system both have gas to help a or animal live in there internal environment.
number 5: Blood vessels brings oxygen to the tissues and absorbs carbon dioxide and other waste products to clear the lungs. And with out oxygen the tissues won't absorb carbon dioxide to clear out the lungs.
number 6: D
Hello!
Carrying capacity, in biology, is the mps (maximum population size) of the species that the environment is able to take care of. The environment should be able to give food, habitat, and water, and other necessities needed for the certain animal species. If there are to many of the species, the environment may not be able to care for all animals, due to the fact that there will not be enough resources for all of the animals.
Hope this helps, have an awesome day/night! :)
Explanation:
Silent mutations occur when the change of a single DNA nucleotide within a protein-coding portion of a gene does not affect the sequence of amino acids that make up the gene's protein.