Yes arthropods are triploblastic that is they have 3 embryonic germ layers
Endoderm, Ectoderm and Mesoderm.
Answer:
The kidneys remove waste products called urea from the blood through nephrons. Nephrons are tiny filtering units. There are about one million nephrons in each kidney.
Explanation:
Answer: Commensalism (Symbiotic relationship)
Explanation:
Commensalism is a type of symbiotic relationship in which one species gets benefits while the other species remain unaffected.
Orchids are epiphytes which grows on the inner branches of trees of rainforest that helps in taking nutrients directly from the air around them and sometimes from the decaying organic matter of their host tree. Epiphytic orchids stores water in their stems and compensate in dry periods. Trees having rough barks that holds humus and water in it's crack supports orchids better than other trees with smooth barks.