Gr 8 Natural Sciences Ch 1.2: Feeding relationships

<p>Oxygen</p> Signup and view all the answers

<p>Producers</p> Signup and view all the answers

<p>Carbon Dioxide + Water → Glucose + Oxygen</p> Signup and view all the answers

<p>All of the above</p> Signup and view all the answers

<p>Insectivore</p> Signup and view all the answers

<p>Herbivore</p> Signup and view all the answers

<p>To break down dead or decaying matter</p> Signup and view all the answers

<p>Quaternary consumer</p> Signup and view all the answers

<p>Food chains depict a single pathway, while food webs depict multiple pathways</p> Signup and view all the answers

<p>It is lost as heat</p> Signup and view all the answers

<p>To regulate population sizes</p> Signup and view all the answers

<p>Omnivore</p> Signup and view all the answers

<p>To control insect populations</p> Signup and view all the answers

<p>Fish</p> Signup and view all the answers

<p>Energy decreases</p> Signup and view all the answers

<p>To form the base of the food chain and supply energy to consumers</p> Signup and view all the answers

<p>A carnivore eats only meat, while an omnivore eats both plants and animals</p> Signup and view all the answers

<p>Producers</p> Signup and view all the answers

<p>To consume producers for energy</p> Signup and view all the answers

<p>To recycle nutrients back into the ecosystem</p> Signup and view all the answers

<p>Energy is lost at each trophic level</p> Signup and view all the answers

<p>They produce oxygen and absorb carbon dioxide</p> Signup and view all the answers

<p>To obtain energy by consuming other organisms</p> Signup and view all the answers

<p>To transfer energy from producers to higher trophic levels</p> Signup and view all the answers

<p>They can occupy multiple trophic levels</p> Signup and view all the answers

<p>The energy loss at each trophic level</p> Signup and view all the answers

<p>To recycle nutrients and support ecosystem health</p> Signup and view all the answers

<p>They provide a more accurate representation of ecosystem complexity</p> Signup and view all the answers

<p>They help regulate population sizes and maintain ecosystem balance</p> Signup and view all the answers

<p>It is a linear sequence of energy and nutrient flow</p> Signup and view all the answers

<p>The availability of essential nutrients for producers</p> Signup and view all the answers

<p>To feed on other animals, transferring energy from one trophic level to the next</p> Signup and view all the answers

<p>It is an aquatic ecosystem with interactions between biotic and abiotic components</p> Signup and view all the answers

<p>To synthesize their own food from inorganic substances</p> Signup and view all the answers

<p>Sunlight</p> Signup and view all the answers

<p>To recycle nutrients back into the ecosystem</p> Signup and view all the answers

<p>They cannot produce their own food and must obtain energy by consuming other organisms</p> Signup and view all the answers

<p>They release oxygen and absorb carbon dioxide</p> Signup and view all the answers

<p>From producers to consumers</p> Signup and view all the answers

<p>Energy is lost as heat</p> Signup and view all the answers

<p>To consume plants for energy</p> Signup and view all the answers

<p>To transfer energy stored in plants to higher trophic levels</p> Signup and view all the answers

<p>A food chain is a simpler representation of feeding relationships, while a food web is more complex</p> Signup and view all the answers

<p>Because energy is lost as heat at each trophic level</p> Signup and view all the answers

<p>To help control insect populations and serve as prey for higher-level carnivores</p> Signup and view all the answers

<p>The availability of essential nutrients for producers</p> Signup and view all the answers

<p>They help regulate the population of herbivores and maintain balance in ecosystems</p> Signup and view all the answers

<p>It is a linear sequence of energy transfer from one organism to another</p> Signup and view all the answers

<p>To occupy multiple trophic levels and play a flexible role in food webs</p> Signup and view all the answers

<p>To control the population of herbivores and maintain balance in ecosystems</p> Signup and view all the answers

<p>Food webs provide a more accurate representation of the complexity of feeding relationships in ecosystems</p> Signup and view all the answers

<p>Omnivore</p> Signup and view all the answers

<p>Energy loss at each trophic level</p> Signup and view all the answers

<p>They recycle organic matter, returning nutrients to the soil</p> Signup and view all the answers

<p>It illustrates the interconnectedness of various food chains</p> Signup and view all the answers

<p>To provide energy to consumers</p> Signup and view all the answers

<p>Energy is lost as heat at each trophic level</p> Signup and view all the answers

<p>They control the populations of herbivores</p> Signup and view all the answers

<p>To regulate the insect population</p> Signup and view all the answers

<p>Energy decreases as you move up the trophic levels</p> Signup and view all the answers

<p>To release nutrients back into the soil</p> Signup and view all the answers

<p>To form the base of the food chain and supply energy to other organisms.</p> Signup and view all the answers

<p>A reduction in the energy available to organisms at the next trophic level.</p> Signup and view all the answers

<p>They produce oxygen as a by-product of photosynthesis and absorb carbon dioxide from the atmosphere.</p> Signup and view all the answers

<p>It primarily eats other animals.</p> Signup and view all the answers

<p>To break down dead or decaying organisms and recycle nutrients.</p> Signup and view all the answers

<p>A food chain is a complex network of trophic interactions, while a food web is a linear sequence of trophic levels.</p> Signup and view all the answers

<p>Producers, through the process of photosynthesis.</p> Signup and view all the answers

<p>Energy is lost at each trophic level, resulting in a decrease in energy availability.</p> Signup and view all the answers