zoo u12 reptiles vocab

Keratin

• A type of carbohydrate found in plants.

• A sturdy, insoluble protein that is present in the feathers of birds, the scales of reptiles, and the hooves, hair, and nails of mammals.

• A mineral that strengthens bones and teeth.

• A lipid that provides energy storage in animals.

Egg tooth

• Horny tooth of reptiles/birds for breaking open egg to hatch.

• A type of tooth found in mammals for grinding food.

• A dental condition in humans causing tooth sensitivity.

• A special tooth used by fish for catching prey.

Albumen

• The yellow part of an egg

• The white part of an egg; being mostly the protein albumin and water.

• A type of egg dish

• The shell of an egg

Pulmonary loop

• Flow of blood from the heart to the lungs and back to pick up oxygen and drop off carbon dioxide.

• Flow of blood from the heart to the body and back to deliver nutrients.

• Flow of blood from the lungs to the heart and then to the body.

• Flow of blood from the heart to the kidneys and back to filter waste.

Order Rhynchocephalia

• Tuataras; have a third eye on the top of their head only found in New Zealand.

• Lizards; known for their ability to regenerate tails.

• Crocodiles; large aquatic reptiles found in tropical regions.

• Snakes; characterized by their elongated bodies and lack of limbs.

Allantois

• Extra-embryonic membrane of birds, reptiles and mammals that serves as gas exchange and as a site for the storage of metabolic waste products.

• A structure that provides nutrients to the developing embryo.

• The outermost layer of the embryo that protects it from physical damage.

• An organ responsible for the production of hormones during pregnancy.

Systemic loop

• Flow of blood from the heart to the body systems and back to drop off nutrients and pick up waste.

• Flow of blood only to the lungs for oxygenation.

• Flow of blood from the body systems to the heart without nutrient exchange.

• Flow of blood from the heart to the kidneys for filtration.

Stapes

• A bone in the ear that allows hearing.

• A type of fish found in the ocean.

• A muscle in the leg that helps with movement.

• A part of the heart that pumps blood.

Amnion

• Outer protective layer of the embryo

• Innermost extra-embryonic membrane; fluid-filled sac where the embryo of higher vertebrates floats (reptiles, birds, and mammals).

• Membrane that forms the placenta

• Layer that provides nutrients to the embryo

Rectilinear movements

• Linear motion in snakes; ventral muscles move and allow snake to scute forward.

• A type of movement characterized by circular paths.

• Movement that occurs in a zigzag pattern.

• A form of locomotion used by birds during flight.