An organ or group of specialized cells in the body that produces and secretes a specific substance, such as a hormone
True because the plant is the leaves on top of the carrot and radish and the carrots and radishes are picked from under the ground
Answer:
The bacteria are autotrophs that oxidize hydrogen sulfide in vent water to, Other processes seem to take place very slowly at vents
Explanation:
B cells mature in the bone marrow, which is at the core of most bones It recognises invaders by the shape of molecules -antigens- on their surfaces. With the help of T cells, B cells make proteins called antibodies. The antibodies will help your body become aware of intruders.