Answer and Explanation:
The difference between a food chain and a food web:
<u>Food Chain</u>
- Only one possible direct line of energy going through organisms
- Consists of usually 4-6 organisms
<u>Food Web</u>
- Multiple links that branch off in a web-like form, with some organisms being interconnected with each other.
<u>The answer is the third option: A food chain represents one possible pathway that energy and matter can take in an ecosystem. A food web contains multiple, interconnected food chains and describes how energy and matter moves through an entire ecosystem.</u>
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<em><u>#teamtrees #PAW (Plant And Water)</u></em>
Answer:
option a
Explanation:
because When hydrogen is used to power a fuel cell, the only byproducts are water and heat—no pollutants or greenhouse gases are produced.
Harmful because they change how the genes are supposed to form and they can give disorders at times.
It is a substance which changes the colour of reflected or transmitted light
For example chlorophyll have green pigments
