In agricultural ecosystems, there exists a remarkable heterogeneity in the spatial and temporal distribution of soil nutrients. This heterogeneity can cause the nutrient concentrations that different ...

The causes of embryonic arrest during pre-implantation development are poorly understood. Attempts to correlate patterns of oocyte gene expression with successful embryo development have been hampered ...

https://doi.org/10.2307/2443771 • https://www.jstor.org/stable/2443771 Copy URL Cytological and histological studies on postfertilization development of ovules were ...

Plants adapt the growth of their roots and shoots differently in response to environmental changes, according to a study involving the Ecological-Botanical Garden (ÖBG) at the University of Bayreuth.

This is a preview. Log in through your library . Abstract In Indotristicha ramosissima (Wight) van Royen there is normal syngamy. However, the polar nucleus is not fertilized so that a primary ...

CEDAR RAPIDS, Iowa (KCRG) - A bill that requires Iowa schools to show students a video about fetal development in the womb as part of their growth and development curriculum is now before lawmakers. A ...