Answer:
Liver
Explanation:
Eukaryotes are organisms that are made up of cells that have a membrane-bound nucleus. They are commonly described as cells with a "TRUE" nucleus. Animals and plants are eukaryotes. 
Since it says "Animal" we can cross out oak, because this is a plant. Viruses are not cells, they are not considered living organisms as well. Lactobacillus is a type of bacteria and bacteria is classified as prokaryotic. 
Prokaryotes are different from eukaryotes because they lack that membrane-bound nucleus.  
 
        
             
        
        
        
Paleontology, the study of fossils, supports evolution because the discovery of old life forms shows how new life evolved.
        
             
        
        
        
Answer:
The spleen
Explanation:
The spleen acts as a filter for blood by recycling old and defective red blood cells. It also stores red blood cells, platelets and white blood cells. 
 
        
             
        
        
        
Answer:
The color of skin is influenced by a number of pigments, including melanin, carotene, and hemoglobin. Recall that melanin is produced by cells called melanocytes, which are found scattered throughout the stratum basale of the epidermis.
 
        
             
        
        
        
Answer:
n people who have developed diabetes, glucose builds up in the blood, resulting in hyperglycemia. ... And, too much sugar in the bloodstream can cause other types of damage to body tissues, which can increase the risk of heart disease and stroke, kidney disease, vision problems, and nerve problems in people with diabetes.
Explanation: