Answer: Invasive species can harm both the natural resources in an ecosystem as well as threaten human use of these resources. An invasive species can be introduced to a new area via the ballast water of oceangoing ships, intentional and accidental releases of aquaculture species, aquarium specimens or bait, and other means.
Explanation:
respiration because it's about blood circulation
Answer:
If any of the pictures represent the picture I attached or have any similar properties to it, that is most likely the answer.
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