Answer:
Animal Respiration Every cell in an animal requires oxygen to perform cellular respiration. Cellular respiration is the process by which animals take in oxygen and exchange it for carbon dioxide and water as waste products.
Answer:
C. introduced species
Explanation:
The species we introduced caused problems for the turtles on the island.
<span>A. response to a stimulus</span>
<span>NA contains only elements, so it does not react easily. Many organisms do not contain DNA. Certain mutations in DNA happen at a constant rate. DNA does not change over time, making it a valuable clue.</span>
“It is a type of homogeneous mixture.” is false.
