Food Chains and Energy Flow Quiz

A food chain is a single path that shows the flow of energy and materials as organisms consume each other in order to obtain nutrition. Its purpose is to understand the relationships between organisms in a habitat and how energy is transferred.

The sun.

The arrows in a food chain follow the flow of energy and always go from the food source to the organism consuming it.

<p>Grass (producer) -&gt; Zebra (primary consumer) -&gt; Lion (top predator).</p> Signup and view all the answers

<p>Food chains are usually not longer than four steps because energy is lost between each step, resulting in less energy available for the next organism.</p> Signup and view all the answers

<p>Energy lost in a food chain can be lost as heat during respiration or in waste materials such as feces.</p> Signup and view all the answers

<p>A food web is a diagram that shows the interconnections between multiple food chains in a habitat.</p> Signup and view all the answers

<p>Populations in a habitat depend on each other for food and other resources.</p> Signup and view all the answers

<p>When a species goes extinct in a food web, it can have unpredictable effects on the entire system, as it disrupts the interdependencies between populations.</p> Signup and view all the answers

<p>If grasshoppers were removed from the food chain, the population of spiders would decline, affecting all the species that feed on beetles, and so on.</p> Signup and view all the answers