Parental Care (Grade 12 NSC Matric Life Sciences): Flashcards
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Parental care definition
Parental care definition
Behaviour by adults that increases offspring survival chances
Pre-natal vs post-natal energy investment relationship
Pre-natal vs post-natal energy investment relationship
Inverse - more pre-natal means less post-natal care needed
Altricial development meaning
Altricial development meaning
Young born helpless, underdeveloped, needing extensive care
Altricial young characteristics at birth
Altricial young characteristics at birth
Closed eyes, little fur/feathers, can't regulate temperature
Precocial development meaning
Precocial development meaning
Young born well-developed, capable, needing minimal care
Precocial young characteristics at birth
Precocial young characteristics at birth
Open eyes, full fur/feathers, mobile, can regulate temperature
Altricial development energy investment type
Altricial development energy investment type
High post-natal investment
Precocial development energy investment type
Precocial development energy investment type
High pre-natal investment
Four types of parental care behaviours
Four types of parental care behaviours
Nest building, incubation, protection, teaching
Yolk content: altricial vs precocial eggs
Yolk content: altricial vs precocial eggs
Altricial need less yolk; precocial need more yolk