Answer: Loss of biodiversity appears to affect ecosystems as much as climate change, pollution and other major forms of environmental stress, according to results of a new study by an international research team. ... Studies over the last two decades demonstrated that more biologically diverse ecosystems are more productive.hope this helps:)!
Hydroxyapatite is the major component of bone that contributes to its hardness.
Increases genetic variation of the offspring.
Answer:
option 3 in 1st one and option 4 in 2nd one I think
