Page 240 - New Medley 4 Semester 1
P. 240
Adaptations in parasites
Animals that live on or inside the bodies of
other animals to get their food are called
parasites. Mosquito is the most common Leech Mosquito
parasite. It has pointed, tube-like mouthparts
to pierce and suck blood from the body of
the host animal. Ticks, leech, flea, louse,
bug, etc. are parasites that live on the
body of other animals and suck their blood.
The roundworm, tapeworm, liverfluke, etc. live Roundworm Tapeworm
inside the body of humans and other animals. Some parasites
ADAPTATIONS IN ANIMALS FOR PROTECTION
Animals have developed many features for protecting themselves from their
enemies. In some animals, the colour or pattern of the skin is similar to that of
their surroundings. This makes it difficult to spot these animals easily, as they
merge with their surroundings. This merging of an animal with its surroundings
is called camouflage.
The colour of a grasshopper is exactly the colour of the grass or the leaves of
plants. Similarly, a polar bear is all white and cannot be easily spotted in the
snow. Zebras and tigers have stripes while leopards have spots on their skin
which help them camouflage with their surroundings in forests.
A chameleon changes its body colour according to its surroundings. This protects
the chameleon from its enemies and also helps it catch insects without being
noticed. Similarly, a stick insect looks like a twig.
Zebra Chameleon Stick insect
Some camouflaging animals
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