If were talking birth defects it can be detected during pregnancy depending on which kind if defect it is. You can do many screen tests like ultrasounds or maternal blood screens for first trimester.
Answer:
If a population starts to increase in size because of reproduction, it might reach its carrying capacity. This can affect the natural sources the population gets because the wouldn't be enough to support all the organisms in that population.
False because The total mass of all the asteroids combined is less than that of Earth's Moon.
Answer:
the answer is A I just answered this one I hope it helps
Answer:
They don't reproduce by themselves, they need a host cell.
Explanation: