Pollution or Carbon Dioxide
For the first blank, it's cell membrane and the other blank is transport.
Answer:
idk for sure but here
Explanation:
a chart to describe some relationships among species. Relationships among Species X Y Boxing crabs gently carry anemones in their claws to sting predators and keep them away. The anemones feed off bits of food the crab drops. Fleas live on the warm body of a dog, biting the dog and eating its blood.
