The penis is an external organ of the male reproductive system. It has two main functions: Sexual intercourse – During er…
On basis of fertilization animals are classified into oviparous and viviparous animals.
Viviparous Animals, Oviparous Animals & Ovoviviparous Animals In the animal kingdom, external fertilization is a typ…
Based on the mode of nutrition, animals can be classified into two categories: Carnivores or Carnivorous animals Herbivore…
Differences Between Invertebrates And Vertebrates Invertebrates Vertebrates Invertebrates do not possess a backbone not …
Invertebrates Introduction Invertebrates are animals that neither possess nor develop a vertebral column, derived from t…
Vertebrates Vertebrates Meaning “Vertebrates are animals that possess a vertebral column and/or notochord at any point i…
Animal Cell Types There are numerous types of animal cells, each designed to serve specific functions. The most common t…
Let us learn some more interesting facts about the Animal cell. Fact – 1 Animal cells are generally smaller than plant cel…
Animal Cell Definition “An animal cell is a type of eukaryotic cell that lacks a cell wall and has a true, membrane-boun…
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