Terrestrial Animals and Their Adaptational Characteristics

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Overview

The animals, which live on land and do their biological activities on land, are called terrestrial animals. This note briefly explain about the terrestrial animals and their adaptational characteristics .
Terrestrial Animals and Their Adaptational Characteristics

The animals, which live on land and do their biological activities on land, are called terrestrial animals.

On the basis of their mode of life, terrestrial animals are divided into following types:

  1. Cursorial animals
  2. Fossorial animals
  3. Arboreal animals
  4. Aerial animals
  5. Desert animals
Adaptation characters of terrestrial animals are as follows:

Cursorial Animals

Cursorial animals are those animals which live in open places and are adapted to run on hard ground e.g. lion, deer, horse etc. Adaptational characters of them are as follows:

  1. The body is streamlined which helps them for swift movement.
  2. The limbs are long and strong.
  3. Locomotion is digitigrade.

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Fossorial Animals

Fossorial animals are those animals which are adapted for burrowing mode of life e.g. rabbit, rat, etc. The adaptational characters of them are as follows:

  1. The head is small and tapers anteriorly to form snout for digging.
  2. The forelimbs are short with powerful claws.
  3. The eyes and the ears are small.

Arboreal Animals

Arboreal animals are those animals which are adapted for climbing e.g. squirrel, chameleon, etc.

The adaptational characters of these animals are as follows:

  1. The body is stout. Ribs are very much curved, thus thorax becomes semi-circular.
  2. Locomotion is plantigrade.
  3. The legs of lizard are provided with adhesive pads that help to hold the wall or other surfaces.
  4. The muscles of chest are very strong.

Aerial Animals

The animals that are adapted for aerial mode of life are called aerial animals. The adaptational characters of aerial animals are as follows:

  1. Body is streamlined, which reduces the air resistance during flying.
  2. Forelimbs are modified into wings.
  3. The bones are hollow and spongy.
  4. The eyes are very sharp and well developed.

Desert Animals

Desert animals are adapted for dry land and hot habitat e.g. camel, lizard, rodents etc. The adaptational characteristics of desert animals are as follows:

  1. They are provided with keen senses of sight, smell and hearing.
  2. They conserve water in water pouches.
  3. They have thick skin to avoid loss of water.
  4. Most of them have dull color which blends them with the surrounding environment.

Things to remember
  • The animals, which live on land and do their biological activities on land, are called terrestrial animals.
  • Cursorial animals are those animals which live in open places and are adapted to run on hard ground.
  • Fossorial animals are those animals which are adapted for burrowing mode of life e.g. rabbit, rat, etc.
  • Arboreal animals are those animals which are adapted for climbing.
  • The animals that are adapted for aerial mode of life are called aerial animals.
  • It includes every relationship which established among the people.
  • There can be more than one community in a society. Community smaller than society.
  • It is a network of social relationships which cannot see or touched.
  • common interests and common objectives are not necessary for society.
Videos for Terrestrial Animals and Their Adaptational Characteristics
African lion adaptations
Bird Evolution and Adaptations
Rabbit Adaptations
Structural adaptations- lions
Questions and Answers
Buffaloes being black and almost no hairs on their skin, they readily absorb heat during hot summer and feel very uncomfortable. So, they spend most of their time in water during summer days and feel comfort during rainy weather.
Terai farmers select cows than buffaloes for milk yielding because of the following reasons:
i) They adapt in hot region due to white or light colour.
ii) They required small quantity of water.
The lizards are provided by the adhesive pad on its feet for their prey, habitat and protection from their enemies so that they can climb the wall or trees.
Wall lizards can change their body temperature according to their surrounding so during cold season its body temperature becomes very less which is not suitable for its survival. Hence, they are not seen during cold.
Tigers/lions bears long strong legs which makes them to run and move fast to catch their pray easily.

During hot days, the snake and rat live in burrow to protect the body from heat. At night, when the temperature become less, the snake and rat come out from burrow for searching the food and become active.

The hind limb is longer than forelimb in frog because it helps in hoofing.
The web in frog and duck helps them to swim in water.
The adaptational characteristics of monkeys found in jingle are as follows:
i) They have strong muscle on chest.
ii) They have larger hind limbs than forelimbs.
iii) Tail controls the body while jumping.
No animal is purely aerial because they must come on the land for rest and other purposes. It means throughout the whole life they can’t be in flight mode.
Birds can fly easily on air because:
i) They have light weight having hollow and spongy bones.
ii) Body is covered with feathers and contains a pair of wings.
Some adaptational features of camel to survive in a desert area as follows:
i) Its hoofs are covered by a pad which help them to run on hot sand.
ii) Body is provided with hump which stores fat.
iii) They conserve water in water pouch.
Camel is also called the ship of desert because its foot is modified with flat hoofs and can run fast even in hot sand as well as it stores fat and water in its body which helps camel to walk without any food for many days.
The sharp claws of an eagle help to hold small animals for short mode of flight.
Warning colouration is a phenomenon in which certain insects which are distasteful to their enemies advertise their peculiar colour so that they can be safe from them.
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