Tag: adaptations - european woodland and african grassland

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Multiple choice adaptations - european woodland and african grassland adapting to a habit plant adaptations adaptations to different ecosystems biology

Which of the following is false?

  1. Quantity of biomass in a trophic level at a particular period is called as standing crop.

  2. The energy content in a trophic level is determined is determined by considering a few individuals of a species in that trophic level.

  3. The succession that occurs in newly cooled lava is called primary succession.

  4. Rate of succession is faster in secondary succession.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Energy content in a trophic level is determined by the total energy flow through that level, not just by considering a few individuals, which would be statistically insignificant.

Multiple choice adaptations - european woodland and african grassland adapting to a habit plant adaptations adaptations to different ecosystems biology

The adaptation mechanism of chameleon is

  1. To hibernate in the winter

  2. Changing colours to suit with its surroundings

  3. To develop scaly skin on its body to maintain moisture

  4. To migrate to long distances in the winter
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Chameleon can change its colour which helps the animal to camouflage itself in the presence of potential predators. Their slow movement and blending into the surrounding environment make it hard for predators to spot them. Their colour changes also help them in mating as they shift colours while communicating with other chameleons. Their colour change also depicts their reactions such as they display darker colours when empty or when under stressed environmental conditions.  Thus, the correct answer is option B.

Multiple choice adaptations - european woodland and african grassland adapting to a habit plant adaptations adaptations to different ecosystems biology

Tigers and leopards have stripes on their bodies. This adaptation helps them 

  1. To keep their bodies cool

  2. To keep their bodies hot

  3. To mix with the surroundings

  4. To look beautiful
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The different types of stripes in tigers and leopards are ideal in proving camouflage to these animals according to their need. The black stripes help the animal to be hidden in the shades of the tree. The stripes on their body look like shadows as they stalk through long grasses in the moonlight. Besides being an adaptation to mix with their surroundings these stripes also act as finger prints for them as no two tigers have same type of stripes.

Thus, the correct answer is option C.

Multiple choice adaptations - european woodland and african grassland adapting to a habit plant adaptations adaptations to different ecosystems biology

A student identified the following characteristics in an animal.
1. Strong claws and broad hip girdles.
2. Spines to prevent from slipping.
3. Ability to climb the tree.
Which of the following title best suits the above animal?

  1. Terrestrial animal

  2. Aquatic animal

  3. Amphibian

  4. Arboreal animal
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Arboreal animals are those which spend most of their time on trees. For example Koala, Lemur, Spider monkey , tree sloth. Such animals show variety of adaptations so that they can easily ascend and descend from the trees. 

1. Tree Sloth have huge claws to hang them from trees. 
2. They have stretchy membranes between their legs or toes for extensive gliding. 
3. They have elongated limbs to cross gaps and reach their food resources and also to provide support. 
4. They have prehensile tail to grasp the branches.
5. They are generally small sized to be able to move easily through cluttered habitat. 
The most common adaptations of terrestrial animals is the legs to walk on land and lungs for respirations. 
Aquatic animals are adapted for swimming for which they have streamlined body and gills for respiration. 
Amphibians are adapted to live both on land as well as water for which they have moist skin as well as lungs for respiration. 
Thus, the correct answer is option D. 

Multiple choice adaptations - european woodland and african grassland adapting to a habit plant adaptations adaptations to different ecosystems biology

Opposable thumb is found in .......... and it helps in

  1. Camel, walking

  2. Lizard, hibernation

  3. Monkey, grasping

  4. Kangaroo, hopping
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

  • The opposable thumb is a thumb that can be placed opposite to the fingers of the same hand. They are called opposable because the thumb can be moved around to touch the other fingers. 
  • Opposable thumbs allow the digits to grasp and handle objects and are characteristic of primates.
  • Animals with opposable thumbs include gorillas, monkey, chimpanzees, orangutans, and other variants of apes.
  • Hence, the opposable thumb is found in monkey and it helps in grasping.
So, the correct answer is 'Monkey, grasping'.

Multiple choice adaptations - european woodland and african grassland adapting to a habit plant adaptations adaptations to different ecosystems biology

Plants in cold regions shed leaves during ....... season.

  1. Summer

  2. Winter

  3. Spring

  4. Rainy
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Plants shed their leaves in cold region due to the scarcity of water. leaves have tiny holes which cause loss of lots of water. All around snow and no availability of water by shedding their leaves plant utilises remaining water and survive in winter. Thus, the correct option is B.

Multiple choice adaptations - european woodland and african grassland adapting to a habit plant adaptations adaptations to different ecosystems biology

Which of the following animals have sticky pads on its feet?

  1. Blue eyed frog

  2. Red eyed frog

  3. Green eyed frog

  4. Yellow eyed frog
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Red eyed tree frog spends most of its life clinging to the branches of tree tops. For this purpose, its toe has pads which are naturally specialised for clinging and allow the frog to grip surfaces. These sticky pads allow them to stay balanced and in place. Thus they can leap very and far and also move swiftly. 

Thus, the correct answer is option B. 

Multiple choice adaptations - european woodland and african grassland adapting to a habit plant adaptations adaptations to different ecosystems biology

.................. maintains balance in a monkey.

  1. Tail

  2. Hands

  3. Legs

  4. Head
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

All Monkeys have tails and that is part of what makes them different from humans and Apes. These tails are used for the balance that is why they are so long. They also use their tails to allow them to leap vertically and to hang upside down from branches. The longer a monkey's tail is, the better is its balance.

So, the correct answer is 'Tail'.