Which adaptation prevents water loss in plants?

What structure is thought to have formed from plasma membrane infoldings?

Photosynthetic pytoplankton are important in the carbon cycle because they:

Which fungal structure is resistant to drying and can last for years?

A flowering plant with parallel leaf veins and petals in multiples of three is likely a:

Which group of echinoderms uses tube feet to pry open bivalves?

Mitochondria are known as the “powerhouse” of the cell because they:

Animal cells have cell walls; whereas plant cells do not. 

Where have bacteria been found living?

What is the Precambrian Supereon known for?