Identifica el esporofito y ... meiosis. Cada espora germinará y dará un nuevo gametofito, y de este modo se cierra y reinicia el ciclo. 1. Disponer de plantas de helechos con soros en macetas. 2.

In this paper, I show that this debate can be resolved by constructing a general version of Hamilton’s rule, which allows for a large variety of ways in which the fitness of an individual can depend ...

Type 1 diabetes is an autoimmune condition associated with genetics and may develop suddenly. Type 2 diabetes often develops over time, with obesity and a lack of exercise as the main risk factors.

"We report the discovery of one of the most distant galaxies known to date," astrophysicist Joris Witstok told Newsweek.

Hundreds of cubes of human brain tissue help scientists to chart the energy-making capabilities of various brain regions.

Nintendo is about to tell us a whole lot more about the Nintendo Switch sequel on April 2. Here's what we know and ... still has only a 1,200x800-pixel resolution display, and it looks just ...

HIV-2 is similar to HIV-1 in that they are both: Types of human immunodeficiency virus (HIV) Viruses that can lead to acquired immunodeficiency syndrome (AIDS) Transmitted through infected bodily ...

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