Answer:
A food web is multiple food chains and an energy pyramid shows how energy moves through trophic levels.
Explanation:
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.
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Answer:
pets can help boost your mood
Explanation:
if you do not have any pets you could have slight depression if there is no one to cheer you up such as your companion
True because that will make you have a healthy water balance lol