Explanation:
1)= always starts with the letter C02= carbondioxide....
Answer:
Early in gestation, a fetus has a cartilaginous skeleton that becomes bone in ... At birth, a newborn baby has over 300 bones, while on average an adult human has 206 bones ... It is composed of fibers and granular cells in a matrix. ... The hypertrophic chondrocytes (before apoptosis) secrete vascular endothelial cell growth ...
Explanation
n:When does the fetal cartilage turn to bone?
Key milestones in fetal bone development
Weeks pregnant Milestone
7 weeks Bone outlines for entire skeleton established; cartilage is forming
8 weeks Somites disappear; joints start forming
10 weeks Bone tissue forms and starts hardening (ossification)
16 weeks Your baby can move his limbs
I think it’s an organ...but not sure.
Answer:
legumes are able to form a symbiotic relationship with nitrogen-fixing soil bacteria called rhizobia.The result of this symbiosis is to form nodules on the plant root,within the bacteria can convert atmospheric nitrogen into ammonia that can be used by the plant