I think it the answer is C ( The relationship between the bacteria and the ticks is commensalism, and the relationship between ticks and humans is parasitism.
-- Alina (:
Answer:
Climate, time, parent material and topography are the factors which are responsible for the formation and development of soil.
Explanation:
Climate is the average weather conditions of an area which includes rainfall and temperature. Time for the development of soil is also important for the changes occurs. Parent material means from which particles, soil is formed. Topography refers to the physical features of land such as mountain and hills etc.
The correct answer is - C) carotenoids.
The majority of the trees from the mid-latitude forests tend to shade their leaves in the autumn. This process occurs because of the seasonal changes in the climate, where the trees tend to be almost not-active during the winter, so in order to preserve as much energy and nutrients as possible they get read off their leaves.
It is not a sudden process, but it takes some time, where the leaves from the initial green color start to change to yellowish, than towards orange, reddish, or brownish before they fall.
The reason why this coloration appears in the leaves when the tree starts to process of shading them off are carotenoids. The carotenoids found in the leaves, the lutein and the beta-caroten, thorugh the xantophills and the flavonoids give a yellowish color to the leaves, thus we get the beautiful autumn colors and landscapes.
Answer:
Producing ribosomes
Explanation:
The nucleolus is a region found within the nucleus. Unlike the nucleus, it is not surrounded by a membrane.
It's main function is in ribosomal biogenesis. Ribosomes are small organelles found in all cells that are the sites of protein synthesis. They are produced and assembled in the nucleolus.
D makes the most sense since the others all occur within hours or can be easily watched and followed