(e) bat and bear
(v) flying birds
(1) centipede, wasp
(vi) migratory bird
Subjective Type Questions
5. Answer the following.
(a) Why do animals need to adapt?
(b) What are some adaptive features of a camel?
(c) How does camouflage protect animals?
(d) How does a puffer fish protect itself?
(e) Why do birds migrate?
Answers
Answer:
5. a) All organisms need to adapt to their habitat to be able to survive. This means adapting to be able to survive the climatic conditions of the ecosystem, predators, and other species that compete for the same food and space. ... An animal may adapt to its habitat in different ways.
b. Camels are well adapted for survival in the desert. Their adaptations include: large, flat feet - to spread their weight on the sand. thick fur on the top of the body for shade, and thin fur elsewhere to allow easy heat loss.
c.Camouflage, also called cryptic coloration, is a defense or tactic that organisms use to blend in with their surroundings. ... Organisms use camouflage to mask their location, identity, and movement. This allows prey to avoid predators, and for predators to sneak up on prey.
d. Pufferfish can inflate into a ball shape to evade predators. Also known as blowfish, these clumsy swimmers fill their elastic stomachs with huge amounts of water (and sometimes air) and blow themselves up to several times their normal size. Some pufferfish species also have spines on their skin to ward off predators.
e. Migratory birds fly hundreds and thousands of kilometres to find the best ecological conditions and habitats for feeding, breeding and raising their young. When conditions at breeding sites become unfavourable, it is time to fly to regions where conditions are better. There are many different migration patterns.