Parrots and Dogs are able to generate internal heat to maintain their body temperature in a coid environment. Parrots and Dogs are Endotherms. They generate most of the heat they need internally, when it's cold outside.
Answer;
-Spinal cord may be affected
Explanation;
-If the caudal portion of the Neural tube failed to develop properly, the spinal cord may be affected.
-The neural tube is the embryonic structure that develops into the brain and spinal cord.
-Its defects arise from failure of embryonic neural tube closure by the fourth week of pregnancy, causing malformations of the brain and spine.
<span>The density, or more precisely, the volumetric mass density, of a substance is its mass per unit volume.</span>
Answer:
B.) Gap junction
Explanation:
Plasmodesmata (singular form: plasmodesma) are intercellular organelles found only in plant and algal cells. (The animal cell "equivalent" is called the gap junction.)
