Answer:
Evolution, mutation, and adaptation
Explanation:
Since different organisms adapt to different environments and receive different mutations, they adapt differently and slowly change. That is why there are different species of birds, just look at the galapagos islands, there are thousands of species of finches that changed to survive on each island. The same could be said for every organism since the early organisms that we evolved from were widespread, some evolved differently than others, leading to different fish, different lizards, different early mammals, and so on. That is why humans look different than dogs or cats, we evolved best to our environment so we could survive.
Answer:
Pillars in an abandoned mine
Explanation:
Respiratory system, excretory system, digestive system
1 meter is 100 centimeters.
1 centimeter is 10 millimeters.
10mm x 100cm = 1000mm
There is 1000mm in 1m.
1000mm×8 = 8000mm
This is called the metric system. This usually goes by tens. Hope that helped you out.
Answer:
Antigens activate specific lymphocytes
Explanation:
The clonal selection theory (also named the theory of antibody activation) is used in inmunogenetics to understand the functions of the lymphocytes in the immune system. From this theory is it possible to understand the vast diversity of antibodies in the blood during the initiation of the immune response