The tragus is a small pointed eminence of the external ear, situated in front of the concha, and projecting backward over the meatus. It also is the name of hair growing at the entrance of the ear.
Species could compete for water, food, land, etc.
Answer:
Most humans cannot see ultraviolet light because it has a smaller wavelength than violet light, putting it outside of the visible spectrum.
Answer:
Based on the first study it is evident that the ecologists are looking for functional diversity as they are making a note of different functions performed by a distinct kind of species found on different plots.
On the other hand, based on the second study it is evident that the ecologists are studying the species diversity as with the assistance of different wavelengths of light reflected by the vegetation, they are differentiating between the vegetation found in different parts of the continent.
The biodiversity helps humans in different ways, that is, by supporting the society in which they live and by maintaining a healthy biosphere. The biodiversity found around helps in the procedure of dead species decomposition, they offer humans with nutritious food, and also acts as natural sieves and clean the water for consumption. Hence, the correct options are 1, 2, and 3.
