Stomata are minute openings found in the epidermis of leaves, stems and other plant organs. Stomata allow gases such as carbon dioxide, water vapour and oxygen to diffuse into and out of the ...

Plant stomata, which consist of paired guard cells placed on the surface of leaves, control gas exchange with the atmosphere. Anion transport by unidentified guard-cell channels closes the ...

How to make a poster. You will find posters everywhere. They’re on the side of buildings, in shop windows, on the side of roads, on bus stops and even on buses! Posters are mainly used to ...

The use of PowerPoint to create posters is the weapon of choice for smart researchers. Choose from this selection of horizontally and vertically oriented PowerPoint shows with branded backgrounds, or ...

It’s been another bumpy year for cinemas but that hasn’t got in the way of some beautiful movie posters being produced. Daniel Benneworth-Gray rounds up his favourites of the year Well it’s been ...

Explore is our free species poster resource for young people - and one of our most popular resource amongst leaders and their groups. From snow leopards, to turtles and tigers, our Explore series ...

A poster that featured Kamala Harris in Eagles gear with a caption that read, "Kamala, official candidate of the Philadelphia Eagles," was spotted at a Philadelphia bus stop and later proven to be ...

the radius is 0.20 mm. Area = πr 2 = 3.14 × 0.20 × 0.20 = 0.13 mm 2 The number of stomata in the field of view is 12.

Scientists have discovered that certain plants can survive stressful, dry conditions by controlling water loss through their leaves without relying on their usual mechanism - tiny pores known as ...

correlation and causation: Many students do not understand the fundamental difference between correlation and causation. In this lab, stomata density variation likely results from interacting ...

A new poster for Democratic presidential nominee Kamala Harris and her running mate Tim Walz’s campaign tour looks familiar. It’s not duplicative of a previous high-profile political campaign ...