Evolution Of Behaviour

Question 1

Whats the circadian rythem?

Answer 1

Circadian rythems tell an animals body when to sleep, eat,wake, etc. They are the physiological cue that regulate many of the bodily functions and are often influenced by external environmental cues. Circadian rythems often follow 24 hr cycles

Question 2

What factors influence circadian rythems?

Answer 2

~hormones
~day length 
~temperature
~season
~diet
~presence of other animals

Question 3

What resources do animals compete for?

Answer 3

~food
~mates
~territory
~space
~water 
This is called selection pressures and lead to adaption/evolution

Question 4

Difference between development and evolution?

Answer 4

Development
~short term
~can take place within an animals lifetime
~can refer to how a specific behaviour advances as the animal gets older

Evolution 
~long term
~takes place over generations 
~evolution cannot take place during an animals lifetime 
~refers to gradual changes

Question 5

Snow leopards don’t roar……

Answer 5

They let out a piercing yowl