When the volcanic island of Surtsey rose from the North Atlantic Ocean in 1963, it offered scientists a once-in-a-lifetime ...

Marking guidelines are developed with the exam paper and are used by markers to guide their marking of a student's response. The table shows the criteria with each mark or mark range. Sample answers ...

Moss is a small, flowerless plant that typically forms dense green clumps, often in damp or shady locations. It spreads ...

Another summer has produced mixed results in the fight against hydrilla, the pernicious, aquatic weed choking the Connecticut ...

Costing the economy over £245 million every year, Japanese knotweed is Britian’s most problematic invasive plant – and the ...

Life cycles require the creation of an autonomous individual, that individual’s growth and that individual’s reproduction In ...

Tracing the potato’s deep ancestry, researchers have revealed a surprising origin story: modern potatoes emerged from natural interbreeding between tomato relatives and a wild-potato-like species ...

Could it be that one of only three known markers directly targeting the DNA does not exist outside the realm of microbes? Now, researchers led by Xiaoqi Feng at the Institute of Science and Technology ...

This is a preview. Log in through your library . Abstract Structure and behaviour of the underground organs of Iris vartani were investigated in connection with the vegetative reproduction of this ...

International Journal of Plant Sciences, Vol. 169, No. 1, Special Issue Major Evolutionary Transitions in Flowering Plant Reproduction Edited by Spencer C. H. Barrett (January 2008), pp. 157-168 (12 ...

ABSTRACT: Elaeagnaceae Juss. belongs to the family Elaeagnus L. and Shepherdia Nutt. This study aims at the significance and vegetative reproduction of species of the family (Elaeagnus macrophylla ...