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Chapter: 03. Kingdom Animalia

⁠
Kingdom Animalia includes all the _ _ _ _ _ _ _ _ _ _ _ _ _ _ animals.
Multicellular
Animals are heterotrophic because they are unable to use solar energy to manufacture their food and feed on _ _ _ _ _ _ _ _ _ _ _ _ _ _.
plants or animals or both
Depending on the absence or presence of a vertebral column or backbone, animals are broadly classified as _ _ _ _ _ _ _ _ _ _ _ _ _ _.
invertebrates and vertebrates
Poriferans have pores all over their body to _ _ _ _ _ _ _ _ _ _ _ _ _ _.
draw water in
Spongilla is an example of a freshwater sponge, while Euspongia is known as a _ _ _ _ _ _ _ _ _ _ _ _ _ _.
bath sponge
In Coelenterates, the mouth is surrounded by finger-like processes called _ _ _ _ _ _ _ _ _ _ _ _ _ _ which are used for catching food.
tentacles
Platyhelminths have a thin, soft, and flattened body, and they are completely without a _ _ _ _ _ _ _ _ _ _ _ _ _ _.
body cavity
The tapeworm is a parasite that lives in the human intestine and may attain a length of about _ _ _ _ _ _ _ _ _ _ _ _ _ _ metres.
5
Nematodes have long, cylindrical, and _ _ _ _ _ _ _ _ _ _ _ _ _ _ bodies.
unsegmented
Segmented worms belong to the phylum _ _ _ _ _ _ _ _ _ _ _ _ _ _.
Annelida
Annelids move with the help of special structures called _ _ _ _ _ _ _ _ _ _ _ _ _ _.
parapodia or setae
The body of an arthropod is covered by a hard external covering called a/an _ _ _ _ _ _ _ _ _ _ _ _ _ _.
exoskeleton
In the arthropod group known as Crustaceans, the head and _ _ _ _ _ _ _ _ _ _ _ _ _ _ are fused.
thorax
Centipedes have one pair of legs in each body segment, whereas millipedes have _ _ _ _ _ _ _ _ _ _ _ _ _ _ of legs in each body segment.
two pairs
Molluscs have a soft, unsegmented body enclosed in a hard shell and use a muscular _ _ _ _ _ _ _ _ _ _ _ _ _ _ for locomotion.
foot
Echinoderms have rough, spiny, and star-like bodies where both the head and _ _ _ _ _ _ _ _ _ _ _ _ _ _ are absent.
tail
Fishes swim with the help of fins and have a _ _ _ _ _ _ _ _ _ _ _ _ _ _ body shape that helps in swimming.
streamlined
Amphibians are cold-blooded animals with a _ _ _ _ _ _ _ _ _ _ _ _ _ _ heart.
three-chambered
Reptiles are mainly land vertebrates with dry skin covered with _ _ _ _ _ _ _ _ _ _ _ _ _ _.
scales
Birds are warm-blooded animals that have no teeth in their jaws but are provided with a _ _ _ _ _ _ _ _ _ _ _ _ _ _.
horny beak
Female kangaroos give birth to premature young ones and keep them in an abdominal pouch called the _ _ _ _ _ _ _ _ _ _ _ _ _ _.
marsupium
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