The amount of fuel that is consumed in transporting these products has led to an increase in the pollution levels in the environment. It has also led to several other environmental concerns such as noise pollution and landscape intrusion.
Protozoa reproduce asexually by fission, schizogony, or budding. Some protozoa can also reproduce sexually.
I think it's mitosis...
Sorry if it's wrong..
Answer:
Marine ecosystems are characterized by factors such as availability of light, food and nutrients. Other factors that affect marine ecosystems include water temperature, depth and salinity, as well as local topography. Changes in these conditions can change the composition of species that make up the marine community.
<span>Abnormal
behavior of cancer cells begins when a single cell undergoes
transformation, a process whereby a normal cell converts to a cancer
cell. Transformation occurs after a genetic change (mutation) in one or
more genes that encode for proteins in the cell cycle control system.
Because a transformed cell grows abnormally, the immune system normally
recognizes and destroys it.</span>
