Habitat & Adaptations of Animals

What is a habitat ? What does adaptation mean?

Habitat - The living place of an animal where it spends most of its time.

Adaptation - The features of an animal which help it to survive in its habitat.

Different Types of Habitats are -

1. Land Habitat/ Terrestrial Habitat 

• Forest - Examples of animals - Tiger, deer, elephants
• Mountain - Examples of animals - Yak, mountain goats , sheep
• Polar Regions - Examples of animals - Polar bear, penguins , seals
• Desert - Examples of animals - Camel, snakes, rats

Adaptations of Forest animals -

• Few animals hunt other animals for food. The animal which hunts / attacks is called predator while the animal which is attacked is called a prey.
• The colour of skin of animals merges with their surroundings to help them escape their predators or attack their preys. This is called camouflage.

Adaptations of Polar animals -

• They have fur on their skin which helps them in staying warm. 
• Penguins have a layer of fat (blubber) under their skin to provide them heat against the cold weather.

Adaptations of Desert animals -

• Camels have thick eye lashes to prevent their eyes from sand.
• The long legs of camels protects their body from the hot sand.
• Camels have hump which stores food which helps them to stay without food for a long period.
• Camels do not sweat. This helps in retaining water.
• Snakes and rats stay underground during the daytime and come out at night. Thus protecting themselves from harsh temperature. This is called hibernation.

2. Water Habitat/ Aquatic Habitat

• Fresh water - Examples of animals - fish, crabs, frogs
• Oceans and seas - Examples of animals - Whales, octopus, seahorses

Adaptations of Aquatic animals -

• Most of the aquatic animals have streamlined body to help them in their movement in water. 
• Whales have blowholes to help them in breathing.
• Aquatic animals breathe in the oxygen dissolved in water.
• The frogs can live both in water and on land. They breathe through skin in water and through lungs on the land. They are called 'amphibians'.

3. Aerial Habitat 

Examples of animals - All birds

Adaptations of birds -

• The birds have streamlined body which helps them in their movement in the air.
• They have hollow bones which make their body lighter.

Preparing for university entrance exams while simultaneously studying for board exams requires strategic time management, focus, and dedication. Here are some tips to help you prepare:

1. Create a study plan: Make a schedule that balances board exam preparation with entrance exam prep.

2. Prioritize weak areas: Identify your weaknesses in both board and entrance exam subjects and allocate time accordingly.

3. Use resources efficiently: Utilize textbooks, online materials, and coaching classes (if possible) for both exams.

4. Practice consistently: Regularly practice problems and questions for entrance exams, like CUET, JEE or NEET.

5. Take mock tests: Attempt mock tests for both board and entrance exams to assess your progress.

6. Stay organized: Keep track of important dates, syllabus, and study materials.

7. Seek support: Ask teachers, friends, or mentors for help when needed.

8. Stay motivated: Remind yourself of your goals and take breaks to avoid burnout.

By following these tips, you'll be well-prepared for both your board exams and university entrance exams. Good luck!

A circuit breaker can make or break a circuit either manually or automatically under all conditions viz., noload, full-load and short-circuit conditions.

A circuit breaker is a piece of equipment which can
(i) Make or break a circuit either manually or by remote control under normal conditions.
(ii) Break a circuit automatically under fault conditions
(iii) Make a circuit either manually or by remote control under fault conditions

QUESTIONS:

1. Define Partnership Deed.

Answer: A partnership deed is an agreement among the partners which contains ai! the terms of the Partnership. It generally contains the details about all the aspects affecting the relationship between the partners including the objective of business, contribution of capital by each partner-ratio in which the profits and the losses will be shared by the partners and entitlement of partners to interest on capital, interest on loan etc.

2. Why it is considered desirable to make the partnership agreement in writing?

Answer: As. per Partnership Act 1932 it is not necessary that a partnership agreement must be in writing but still it is always suggested that it should be in written form Because today there are very good relationship among the partners but n future if there may be any dispute regarding any issue, a written partnership agreement will help in avoiding disputes and misunderstandings among the partners.