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first, internal gills in a sentence
1. Tadpoles have cartilaginous skeletons, gills for respiration (external gills at first, internal gills later), lateral line systems and large tails that they use for swimming.
2. Tadpoles lack eyelids and have cartilaginous skeletons, lateral line systems, gills for respiration (external gills at first, internal gills later), and vertically flattened tails they use for swimming.
3. They lack eyelids and have a cartilaginous skeleton, a lateral line system, gills for respiration (external gills at first, internal gills later) and tails with dorsal and ventral folds of skin for swimming.
Some Words
- lateral line systems
- large tails
- Newly hatched tadpoles
- gill pouches
- accessory breathing organs
- the water surface
- gulp air
- small frogs
- These larvae
- specialised areas
- true teeth
- the jaws
- long, parallel rows
- small keratinized structures
- a horny beak
- Front legs
- the gill sac
- hind legs
- the spectacular apoptosis
- cell death
- the cells
- the larval gills
- nervous systems
- the aquatic, vegetarian tadpole
- the terrestrial, carnivorous frog
- better neurological, visuospatial, olfactory and cognitive abilities
- Pond tadpoles
- deep bodies
- large caudal fins
- small mouths
- the quiet waters
- growing or loose fragments
- Stream dwellers
- larger mouths
- shallow bodies
- caudal fins
- the surface films
- the sediment
- the pond
- edible fragments