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SAA Life Science
Sharp Arrows Academy Life Science class
| Question | Answer |
|---|---|
| vertebrate | animals that have backbones |
| invertebrate | animals that do not have backbones |
| vertebrae | small bones that make up the backbone |
| mammals | animals that are warm blooded, have hair, give birth to live young, feed milk to young, breathe air through lungs. |
| mammary glands | special glands in their body that feed milk to their young |
| warm-blooded | animals whose bodies stay about the same temperature regardless of the air temperature around them |
| stance | how an animal's feet are designed |
| ungulates | group of mammals that walk on the very tips of their toes |
| digitigrade stance | walking on the flats or undersides of their toes |
| plantigrade stance | walking on the soles of their feet |
| ruminants | animals that quickly eat their food without chewing it well |
| rumen | the first chamber of a four-chambered stomach |
| rumen | stomach chamber where bacteria break down the cellulose in food |
| reticulum | second chamber of a four-chambered stomach |
| reticulum | stomach chamber that returns food to the mouth for more chewing |
| cud | food that has returned to the mouth for more chewing |
| omasum | third chamber of a four-chambered stomach |
| omasum | stomach chamber where volatile fatty acids and water are absorbed |
| abomasum | fourth food chamber of a four-chambered stomach |
| abomasum | stomach chamber that is considered the true stomach where digestive juices further break down the food. |