<span>Before an eruption, scientists look for gases and changes in the volcanoes shape, before an eruption the number and intensity of small earthquakes increases, this is caused by the movement of magma, prior to the eruption. Magma forms in the mantle and is a result of high temperature and low pressure.</span>
The right option is Courtship
Courtship is a behavior in which different
species interact and select their partners for mating which leads to
reproduction. Most times, the female specie chooses the desired male to mate with before
copulation. Various behaviours such as display
of strength, dancing and vocal utterance are often used during courtship. For the question given above,<span>the type of behavior displayed by the species of balloon flies is an example of courtship.
</span>
They always increase in numbers
Answer:
Its main objectives are to provide scientific names for organisms, to describe organisms, to preserve collections of organisms, to provide and apply classification systems, to help identify organisms, to determine the distributions of organisms, to investigate the evolutionary histories of organisms, and to study the ...
Explanation:
Explanation:
These are 5 inverted cut bottles with different soils:
(Gravel, Sand, Loam, Clay, and Peat)
- The piece of cloth is tied at the mouth of the bottle to let out water at the same rate as the piece of cotton wool in the previous diagram.
- Soil that is very porous holds very little water and therefore allows too much water to pass through it.
- From the above, gravel has very large particles,it allows too much water to pass through it meaning it holds little water.
- Peat has more fine particles than Clay Soil, hence holds more water than Clay. It therefore allows very little water to pass through it.
