Herbivores, Carnivores & Omnivores | Autotrophs, Heterotrophs & Saprotrophs
This video explains about Herbivores, Carnivores and Omnivores as well as Autotrophs, Heterotrophs and Saprotrophs from NCERT science class VII chapter 17. It explains in Gujarati with english terms.
00:02 Based on what animals, plants and organisms eat, they are divided into different categories such as herbivores, carnivores and omnivores.
00:52 Herbivores : (herb = plants); feeds only on plants; e.g: cow, goat, horse, rabbit etc.
01:56 Carnivores : (carni = animal flesh); feeds only on other animals; e.g: tiger, lion etc.
02:56 Omnivores : (omni = all); feeds on plants and other animals; e.g: crow, rat, humans etc.
04:16 Based on how animals, plants and organisms obtain their food, they are divided into different categories such as autotrophs, heterotrophs and saprotrophs.
05:17 Autotrophs : (auto = self); prepares their own food from sun light or chemical energy; e.g: plants, some algae and bacteria
07:00 Heterotrophs : (hetero = others); depends on others for their food; e.g: animals, humans and fungi
08:57 Heterotrophs includes herbivores, carnivores and omnivores
Saprotrophs : (sapro = dead); feeds on dead or decaying matter; e.g: yeast, bacteria, fungi, mushroom, beetles, ants, insects
Remember: Herbivores, Carnivores and Omnivores fall under the Heterotrophs category.
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NCERT Science Class VII | Chapter 17 | Forests: Our Lifeline (Gujarati Explanation for Eng Medium) 2
You can find this chapter online on NCERT e-book here : NCERT Science Class VII Chapter 17.