Interdependence. Animals in a food chain/web are dependent on eachother for survival or death
It is called the esophagus
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Answer:
The third and the fourth option.
Explanation:
The number of products and reactants are balanced
Answer:
An ecosystem includes the ways these organisms live, feed and reproduce within that particular area. Ecosystems contain many components, but the four main things needed in an ecosystem are plants, animals, rocks and minerals, and water.