1. Skin Adaptations: Reptiles have tough, scaly skin that prevents water loss. This is a crucial adaptation for living in dry habitats, where water is scarce. The skin is made up of keratin, the same material that makes up human hair and nails. This keratinous skin is not permeable to water, thus preventing dehydration.

2. Egg Adaptations: Reptiles lay amniotic eggs that have a hard shell, which prevents them from drying out in arid environments. The amniotic egg is an evolutionary adaptation that allows reptiles to lay their eggs on land, without the need for a water environment like most amphibians. Inside the egg, the embryo is surrounded by amniotic fluid, which protects it and keeps it moist.

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1. Skin Adaptations: Reptiles have tough, scaly skin that prevents water loss. This is a crucial adaptation for living in dry habitats, where water is scarce. The skin is made up of keratin, the same material that makes up human hair and nails. This keratinous skin is not permeable to water, thus preventing dehydration.

2. Egg Adaptations: Reptiles lay amniotic eggs that have a hard shell, which prevents them from drying out in arid environments. The amniotic egg is an evolutionary adaptation that allows reptiles to lay their eggs on land, without the need for a water environment like most amphibians. Inside the egg, the embryo is surrounded by amniotic fluid, which protects it and keeps it moist.

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1. Skin Adaptations: Reptiles have tough, scaly skin that prevents water loss. This is a crucial adaptation for living in dry habitats, where water is scarce. The skin is made up of keratin, the same material that makes up human hair and nails. This keratinous skin is not permeable to water, thus preventing dehydration.

2. Egg Adaptations: Reptiles lay amniotic eggs that have a hard shell, which prevents them from drying out in arid environments. The amniotic egg is an evolutionary adaptation that allows reptiles to lay their eggs on land, without the need for a water environment like most amphibians. Inside the egg, the embryo is surrounded by amniotic fluid, which protects it and keeps it moist.

What are 2 of the adaptations that allow reptiles to colonize dry habitats?

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