Distinguish between the following: Hibernation and Aestivation - Biology

Distinguish Between

Distinguish between the following:

Hibernation and Aestivation



  Hibernation Aestivation
i. It is also called winter sleep. It is also called summer sleep.
ii. It is a state of reduced activity in some organisms to escape cold winter conditions. It is a state of reduced activity in some organisms to escape desiccation due to heat in summer.
iii. Animals rest in warm places. Animals rest in cool, shady, and moist places.
iv. It is shown by bears inhabiting cold regions.

It is shown by some fish and snails.

Concept: Structure of an Ecosystem
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Chapter 13: Organisms and Populations - Exercises [Page 307]


Balbharati Biology 12th Standard HSC for Maharashtra State Board
Chapter 13 Organisms and Populations
Exercises | Q 3 5. a. | Page 307


Mention if the following statement is true or false 

Snakes are primary consumers 

Mention if the following statement is true  or false

Some humans are strictly primary consumers & some others are of other types of consumers also

Mention if the following statement is true or false .

No ecosystem can survive without light 

Air, water, minerals, soil are ___________  factors of an ecosystem. 

Man is ___________ in an ecosystem.

Match the following 

    Producers     Ecosystem
a. Cactus    1. Forest
b. Aquatic plants  2. Creek
c. Mangroves  3. Aquatic
d. Pine  4. Desert

Give my information
Food web

Name the organisms that convert sun's energy into chemical or food energy.

Differentiate between biotic and abiotic components.

Differentiate between primary and secondary producers and give examples of each.

Explain, how do living organisms interact in an ecosystem.

What is a food chain?

Name two types of food chain.

What is food web?

What is an energy pyramid?

A food chain always starts with

The two components of an ecosystem are

Which factor of an ecosystem includes plants, animals, and micro-organisms?

How is the dormancy of seeds different from hibernation in animals?

If a marine fish is placed in a freshwater aquarium, will it be able to survive? Give reason.

Distinguish between the following: Ectotherms and Endotherms.

How ‘Temperature’ as an abiotic factor plays a role in ecology?

Which are different biotic and abiotic factors involved in ecology and how they play their role?

Define a consumer and give two examples.

What is the dissolved salt concentration (in ppm) of the sea?

Match the Columns.

  Column I   Column II
i. Hibernation a. Birds in winter
ii. Aestivation b. Polar bear in winter
iii. Migration c. Some snails and fish in summer

Polar bears undergo ____________ during winter.

Some snails and fish go into ____________ to avoid summer heat.

Read the following statements and select the correct option.

Statement I: Some snails and fish undergo hibernation to avoid summer heat.

Statement II: Polar bears undergo hibernation in winters as they are unable to migrate

______ organisms can tolerate and thrive in a wide range of temperatures.

Which of the following acids play an important role in pedogenesis?

Changes in our surroundings that make us respond to them are called ______.

Which of these does not belong to biotic component?

______ are called as biotic factors.

Match the following:

i. Abiotic factor a. Deer
ii. Decomposers b. Owl
iii. Herbivores c. Heat
iv. Carnivores d. Human
v. Omnivores e. Fungi


Biotic factor: Animals:: Abiotic factor: ______.

List out the following by biotic and abiotic factors. (Sun, plants, animals, air, soil, bacteria, heat, minerals.

Are all types of clothes biodegradable?

Organisms which synthesise carbohydrates from inorganic compounds using radiant energy are called

The percentage of solar radiation absorbed by all the green plants for the process of photosynthesis is about

If a grasshopper is eaten by a frog, then the energy transfer will be from

Suggest one word for the following statement/definition.

The physical factors like temperature, rainfall, wind and soil of an ecosystem

Suggest one word for the following statement/definition.

Organisms which depend on the producers either directly or indirectly for food

Indicate the flow of energy in an ecosystem. Why is it unidirectional? Justify.

State whether the following statement is true or false. If false, give the correct statement.

Forests protect the soil from erosion

“A bunch of seedlings were seen sprouting on a heap of animal dropping in a forest.” How do you think the seedling benefited from the animal dung?

Plants are producers because they make their own food by ______.

Boojho comes across an animal having a stream-lined and slippery body. What is the habitat of the animal?

Which of the following is correct for respiration in plants?

Unscramble the given word below to get the correct word using the clues given against them.

ROUCDPRENTOI Because of this we find organisms of the same kind

Complete the flow chart:

Complete the following chart related to the components of the Ecosystem:

Answer the questions:

Ecosystem is formed by biotic and abiotic factors and their interactions with each other. Each factor plays very important role in the ecosystem.

  1. Name the different types of ecosystem. Give one example of each.
  2. What type of ecosystem is formed by ponds?
  3. What is the relationship between environment and ecosystem?
  4. How is environmental balance maintained?
  5. What is the impact of ecosystem destruction?

The leaves of a plant were covered with aluminium foil, how would it affect the physiology of the plant?

The apex consumer is ______.

Assertion (A): An ecosystem consists of biotic components and abiotic components.

Reason (R): Biotic and abiotic components play important roles for the sustenance of life and work independently in all ecosystems.

Choose the option giving correct matching the items given in column-I & II.

  Column- I   Column-II
A Physical environment (i) Ozone layer depletion
B Exposure to UV
(ii) Bacteria and  Fungi
C Chlorofluoro Carbon compounds (iii) Abiotic  components
D Decomposers (iv) Skin Cancer

Distinguish between Hibernation and Aestivation.

Distinguish between the following:

Hibernation and Aestivation

Distinguish between the following:

Hibernation and Aestivation.

What is euryhaline?

What are the various characteristics of soil?

Distinguish between the following :

Hibernation and Aestivation

Distinguish between the following:

Hibernation and Aestivation

Distinguish between the following:

Hibernation and Aestivation

Distinguish Between the following:

Hibernation and Aestivation.


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