Answer:
The correct answer is bone marrow and thymus
Explanation:
Primary lymphoid organs are bone marrow and thymus. Both organs consist of primary lymphoid tissue where B and T cells are produced.
Lymphocytes are also complete the early phases of maturation in the primary lymphatic organs in the body. In humans, B cells are generated and mature in the bone marrow. However, T cells are produced in the bone marrow and maturation takes place in the thymus.
Thus, the correct answer is the bone marrow and thymus gland.
A native species is a species that is born in an environment. Introduced species are species that are brought into an environment from other ecosystems. For Example the Pythons in south Florida
Take in- photosynthesis
Return- respiration
Plants takes in carbon during photosynthesis while animals return carbon into the atmosphere during respiration.
Oceanic crust is denser than continental crust. At a subduction zone, the oceanic crust usually sinks into the mantle beneath lighter continental crust. ... If the same kind of crust collides, such as continent-continent, the plates may crash together without subducting and crumple together like crashing cars.
