Cold Blooded Animals: Metabolism & Efficiency

  • Thread starter Thread starter at2341
  • Start date Start date
  • Tags Tags
    Animals Cold
Click For Summary

Discussion Overview

The discussion centers around the metabolism and efficiency of cold-blooded animals compared to warm-blooded animals, exploring the implications of thermoregulation on energy production and movement capabilities. It includes evolutionary perspectives and biochemical considerations.

Discussion Character

  • Debate/contested
  • Conceptual clarification
  • Exploratory

Main Points Raised

  • Some participants propose that cold-blooded animals do not produce body heat, suggesting a potential for more efficient ATP production rather than heat.
  • Others argue that being cold-blooded is an evolutionary trade-off, allowing for energy conservation but resulting in limitations on sustained movement and speed.
  • A participant questions the relationship between heat production and energetic efficiency, suggesting that less heat might correlate with more ATP and energy for movement.
  • Another participant notes that while cold-blooded animals may be fast initially, they cannot sustain high speeds for long durations, contrasting with warm-blooded animals.
  • One participant provides an example of ants moving slowly in cooler temperatures, implying that temperature affects movement in cold-blooded organisms.
  • A later reply introduces the idea that some plants can also produce heat, indicating a broader context for thermoregulation beyond animals.

Areas of Agreement / Disagreement

Participants express differing views on the efficiency and movement capabilities of cold-blooded versus warm-blooded animals, indicating that the discussion remains unresolved with multiple competing perspectives.

Contextual Notes

There are limitations regarding the assumptions made about metabolic processes and the definitions of efficiency and movement capabilities, which are not fully explored or resolved in the discussion.

at2341
Messages
10
Reaction score
0
Hi,

Cold blooded animals don't produce body heat to keep themselves warm. Why is this?

Is their metabolism more efficient (produce more ATP rather than heat)?
 
Biology news on Phys.org
It's an evolutionary trade off.
Cold blooded - you don't waste energy keeping warm so you don't have to run around chasing food all the time, but you pay for it in not being able to move as fast for as long.
Warm blooded - you can be much more active and are able to live in a wider range of climates - but you have to be active to chase food all the time!

Interestingly warm blooded animals can be simpler form a chemical/genome sense - since ou are always at one temperate you only need one mechanism for making each chemical you need, col blooded animals have a much more complicated task to mak the same chemical by many different pathways at diffeent temperatures.
This is one of those cases where a simpliication has evolved.
 
THanks for the reply

You say that cold blooded animals "can't move as fast" while warm blooded animals move faster.

I thought:
cold blooded = less heat = more ATP = more energy to move
warm = more heat = less ATP = less energy to move

Is what you said about cold blooded animals not moving as fast not related to energetic efficiency?
 
Generally slow blooded animals can't sustain movement for as long - crocodiles are pretty dangerous for the first minute but aren't going to win any marathons.
Sorry not an expert on their biochemistry.
 
Ever seen ants on a cool or cold day? They don't move fast.
 
Some plants also produce heat.

http://www.sciencenews.org/articles/20031213/bob9.asp
 

Similar threads

  • · Replies 1 ·
Replies
1
Views
2K
  • · Replies 5 ·
Replies
5
Views
2K
  • · Replies 4 ·
Replies
4
Views
2K
  • · Replies 8 ·
Replies
8
Views
2K
  • · Replies 11 ·
Replies
11
Views
1K
  • · Replies 9 ·
Replies
9
Views
3K
  • · Replies 23 ·
Replies
23
Views
5K
  • · Replies 1 ·
Replies
1
Views
2K
Replies
3
Views
2K
  • · Replies 1 ·
Replies
1
Views
3K