DIVE Lesson 29
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28 terms
Terms | Definitions |
|---|---|
 appendicular skeleton | the section of a skeleton made up of the limbs, and girdles attaching them to the axial skeleton |
| axial skeleton | the section of a skeleton made up of the vertebral column, skull, and ribs |
| artery | blood vessels that carry blood away from the heart |
| cerebrum | the section of the brain that controls voluntary muscle movement |
| capillary | the smallest blood vessels, they carry blood from the arteries into the body's tissues |
| carnivorous | animals whose main, or exclusive, source of food is other animals |
| conditioned behavior | responses that are learned through experience |
| endoskeleton | an internal system of bones and cartilage that provides support and structure for vertebrates |
| cerebellum | the section of the brain that deals with fine motor skills. It does not initiate movement, but helps coordinate it. It also plays a role in some involuntary movement. |
| ectothermic | known as "cold blooded", these animals lack the ability to generate heat internally, and their body temperate varies with the outside temperature. They have to regulate their temperature through their environment. |
| endothermic | 1) Known as "warm blooded", animals that generate heat internally, and maintain a constant body temperature. 2) A reaction that absorbs energy, in the form of heat. |
| hemoglobin | The red pigment found in blood cells that carries oxygen |
| herbivorous | Animals that feed on plants. |
| inborn behavior | Instinctive or reflexive behavior that an animal possesses from birth |
| intelligence | The capacity to process information, and use that to manipulate the environment, communicate, or solve problems. |
| medulla oblongata | Located at the tip of the spinal cord, it is the lower part of the brainstem. It regulated functions such as heart rate, breathing, and blood pressure. It also transmits impulses to and from the spinal cord. |
| notochord | A tough, flexible rod that runs the length of the body, and is present in members of the phylum Chordata at some stage of their development. In many, it is replaced by the vertebrae prior to birth or hatching. |
| nerve cord | Nerve tissue that runs the length of the body, dorsal to the notochord or vertebral column. It is a main component of the nervous system. |
| omnivore | Organisms that can consume plants or animals as their primary source of food. |
| optic lobe | The section of the brain involved in the perception of visual information. |
| olfactory lobe | The section of the brain that is involved in the perception of odors. |
| oviparous | Animals that lay eggs, in which all or most of the embryonic development takes place outside of the mother. |
| ovoviviparous | Animals in which the embryo develops inside eggs that stay inside the mother's body. |
| pectoral girdle | The section of the appendicular skeleton that attaches the arms to the axial skeleton. |
| vein | At the end of the capillaries, blood vessels widen back into veins, which carry the blood back to the heart. |
| vertebrae | An individual segment of the bone, or flexible material, that makes up the vertebral column. |
| vertebral column | The flexible column that provides the main source of support for an animal, and characterizes vertebrates. |
| viviparous | Animals that give birth to live offspring that have developed inside of the mother, while attached by a placenta that supplies nutrients to the fetus. |
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