Animals migrate because of:

The phenomenon in which animals go into a deep sleep is known as

• Hibernation and aestivation are also types of behavioural adaptation.
• During winters animals show hibernation.
• They avoid normal activities like hunting or roaming.
• Also they slower their metabolic rate, heart rate and breathing rate.
• So that they can save their energy.
• Most of the bears and snakes go into a deep sleep. 

Camels can drink up to how many liters of water in one go?

• Camel is found in the desert.
• The temperature is around 50 C during summer.
• There is a lesser availability of food and water. The environment is also dry.
• So the camel has to survive in such conditions and it shows many adaptations like it can live without drinking water for 7 days.
• It can live for a maximum of 15 days without drinking water.
• It can drink around 100 to 200 water once. 
• The water is stored in its blood.
• Also in the hot temperature, it is required to resist water loss.
• So, they do not sweat much and due to low metabolism, their body temperature is lesser.

Arctic foxes living in polar regions show which adaptation?

• The Arctic fox is found on ice packs
• They show many adaptations to survive in the cold environment.
• They have grey or brown fur.
• They can change the colour of fur according to the season.
• During winter their coat colour is white.
• When summer starts the white fur sheds and a thin grey coat covers its body.
• Later the grey fur becomes brown.
• So, this is how the arctic fox show camouflage.
• This helps in blending with the colour of the environment so that it can hide from the prey and can easily hunt. 

Populations do not change if their environment changes.

Charles Darwin was a __________ naturalist.

Natural selection favored melanic moths to survive in industrial areas because:

The trees on which these moths used to live were white, but now they have been covered in soot from coal factories. Which moth will be more successful in this environment??

 

As a result of global warming, what variations could we infer might eventually be seen in polar bears?

The muscular strength of a wrestler is an ____________.

Why does the number of blue caterpillars decrease over time?

Which of the following is TRUE?

Evolutions states that all organisms are evolved from a __________ ancestor.

Mutations are important because it leads to: