Reptiles

Descrição

Biology Mapa Mental sobre Reptiles, criado por Natalie Brearley em 05-05-2018.
Natalie Brearley
Mapa Mental por Natalie Brearley, atualizado more than 1 year ago
Natalie Brearley
Criado por Natalie Brearley aproximadamente 6 anos atrás
43
1

Resumo de Recurso

Reptiles
  1. WATER LOSS
    1. STRATS TO AVOID
      1. Ectothermic
        1. Lower MR

          Anotações:

          • than birds + mammals.  Less water lost via breathing 
          1. Nocturnal
          2. Skin = impermeable
            1. Increase lipids
            2. Relatively small
              1. Fossorial

                Anotações:

                •  - escape harsh conditions
              2. Dehydration tolerant

                Anotações:

                • Loss of 50% in some Geckos 
                1. Extra Renal Excretory Gland

                  Anotações:

                  • Kidney can not deal with excess salt or produce hypertonic urine.     
                  1. Nasal Salt Gland

                    Anotações:

                    • Storage urates.  Secretes a fluid rich in potassium and sodium   Chamaeleo namaquensis
                    1. Not seen in Mammals
                2. Re-Absorbtion

                  Anotações:

                  • Via Cloaca
                3. Aridity
                  1. Main route Via body surface

                    Anotações:

                    • TEWL - Transepidermal evaporative WL
                    1. Excretory

                      Anotações:

                      • Faeces and urine (mixed together)
                      1. Selective

                        Anotações:

                        • Appropriate foods and favourable niches. Avoid high salt food 
                        1. Uricotelic

                          Anotações:

                          • Produce Uric Acid witch is filtered by the salt glad. - not in mammals 
                          1. Uric Acid
                        2. Secretion

                          Anotações:

                          • Milks or TOXINS 
                          1. Toxins in snakes
                        3. WATER GAIN
                          1. Opportunistic drinkers
                            1. Diet
                              1. Starvation tolerant
                            2. Metabolic water
                              1. Water Storage
                                1. Aestivation

                                  Anotações:

                                  • Tortoise - Excrete uric acid after AESTIVATION 
                                2. ADSORBTION
                                  1. Thorny Devil

                                    Anotações:

                                    • Moloch horridus  Thin capillary tracts run in parallel to the back of the animal, sucking up water to the mouth. 
                                3. Thermoregulation
                                  1. Sun basking
                                    1. Avoid Extremes
                                      1. Lizards
                                    2. Successful Taxa

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