Flora and fauna (= plants and animals) Fauna

Flora -  The plants of a particular area, type of environment or period of time
alpine flora/ rare species of flora and fauna (= plants and animals)
Fauna ​- All the animals living in an area or in a particular period of history
the local flora and fauna (= plants and animals)
(specialist) land and marine faunas
Rhythm a strong regular repeated pattern of sounds or movements

• 
  to dance to the rhythm of the music
  

​2) A regular pattern of changes or events

• 
  the rhythm of the seasons
  
• 
  biological/body rhythms
  

Tide (dengiz to’ldini) a regular rise and fall in the level of the sea, caused by the pull of the moon and sun; the flow of water that happens as the sea rises and falls

• 
  the ebb and flow of the tide
  
• 
  The tide is in/out.
  
• 
  Is the tide coming in or going out?
  
• 
  The body was washed up on the beach by the tide.
  

Wave (to’lqin)

a raised line of water that moves across the surface of the sea, ocean, etc.

• 
  Huge waves were breaking on the shore.
  
• 
  Surfers flocked to the beach to ride the waves.
  
• 
  the gentle sound of waves lapping
  
• 
  The wind made little waves on the pond.
  
• 
   in the waves Children were playing in the waves.
  
• 
   on the waves Seagulls bobbed on the waves.
  

Diurnal ​(biology) (of animals) active during the day

• 
  Unlike most other bats, this species is diurnal.
  

Nocturnal ​(of animals) active at night

• 
  owls and other nocturnal creatures
  
• 
  These animals are strictly nocturnal.
  
• 
  These insects are largely nocturnal.