Question

Which is/are correct statements ?
(A) Heat loss and heat gain is a function of
surface area
(B) Under unfavourable condition, Zooplankton
species enter into diapause condition
(C) Desert lizard lack the physiological ability to
deal with the high temperature
(D) Mammal in colder climate always follow
Allen's rule
(1) Three statements are correct
(2) Two statements are correct
(3) Four statements are correct
(4) All statements are wrong​

Answer 1

Answer:

(1). three statement are correct

Explanation:

(d) is wrong

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Answer 2

(1) Three statements are correct

1. (A) Heat loss and heat gain is a function of surface area: TRUE
2. (B) Under the unfavourable condition, Zooplankton species enter into diapause condition: TRUE
3. (C) Desert lizards lack the physiological ability to deal with high                                temperature: TRUE
4. (D) Mammals in colder climates always follow Allen's rule FALSE

• Heat loss/heat gain is a function of surface area because the smaller animals have a large surface area relative to their volume
• They also tend to lose the heat of their bodies very quickly as the temperature is colder outside which is why smaller animals are rarely found in polar regions.

• Zooplankton species are incapable of migration and avoiding stress by escaping time. They reduce their metabolic activity and go into ‘dormancy’.   Zooplankton species in water bodies are known to enter a stage of suspended development known as diapause.

• Desert lizards don't have the physiological ability that mammals do. The high temperatures of their habitat are managed by their body heat/ temperature regulation. This tends to be fairly constant and is done by behavioural means.

• There are huge amounts of exceptions in accordance with the Allens' rule
• Animal populations are in accordance with the predictions of Allen's rule, it is generally observed not all of them abide by this rule.