Answer:
A food chain describes how energy and nutrients move through an ecosystem. At the basic level, there are plants that produce the energy, then it moves up to higher-level organisms like herbivores. In the food chain, energy is transferred from one living organism through another in the form of food.
Explanation:
Answer:
Chain reaction – a reaction in which one of the products can also serve as one of the reactants, ... Fusion – small nuclei combine to form a larger nucleus.
Explanation:
Answer: Four pulmonary veins.
Explanation: Oxygen and nutrient rich blood will flow from the lungs back into this part called the left atrium (Or as some will call it, the left upper chamber in the heart). From there, it goes through four pulmonary veins.
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A watershed is land that contributes water<span> to a stream, river, lake, pond, wetland or other </span>body of water<span>. The boundary that separates one watershed from another, causing falling rain or melting snow or spring </span>water<span> to flow downhill in one direction or the other, is known as a “watershed divide”.
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Acquired characteristics are gotten and learned characteristics while inherited characteristics is gotten from the organisms parent
