Answer:
The veins and arteries encounter differences in the pressure of the blood flow. As a consequence, these differences are seen in the composition of the vessels. The arteries encounter with a pressure wave as blood gets pumped from the heart. This can be experienced as a pulse. Due to this pressure, the arteries' walls are much thicker in comparison to those of the corresponding veins.
Thus, arteries appear to exhibit more uniform shape, they seem to be more circular in shape in comparison to veins. Veins do not encounter with the pressure waves like the arteries do. Thus, they do not require to be structurally strong. The vessels' walls of veins are thinner in comparison to arteries and do not exhibit much tunica media.
Answer:
Binary fission- is the division of a single entity into two or more parts and the regeneration of those parts to separate entities resembling the original
budding- is a type of asexual reproduction in which a new organism develops from an outgrowth or bud due to cell division at one particular site
fragmentation- A form of asexual reproduction wherein a parent organism breaks into fragments, each capable of growing independently into a new organism
parthenogenesis- is regarded as a form of asexual reproduction since a zygote forms without the union between female and male gamete s
Answer:
D
incomplete dominance
Explanation:
since and intermediary phenotype appears in the heterozygous form
False.
All sources of pollution do not come from human activities.
<h3>What are the causes of pollution?</h3>
There are some natural causes of pollution. When dangerous pollutants enter the air as gases, liquids, or solids, air pollution is formed. Although there are some natural processes that can produce air pollution, such as sulfur and chlorine gases from volcanic activity, smoke and ash from wildfires, dust storms, and biological degradation, manmade sources account for the majority of pollution in the atmosphere.
Burning fossil fuels for transportation, energy, and industry produces the majority of air pollution that is caused by humans. Carbon dioxide, nitrogen oxides, sulfur dioxide, volatile organic compounds (VOCs), and particulates are typical pollutants released by fossil fuel-burning engines. In addition to particles, carbon monoxide and carbon dioxide are produced by stoves, incinerators, and open burning.
Learn more about causes of pollution here:
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Clams filter-feed and concentrate the dilute pollutants from the water, thus acting as early warning indicators of severe pollution.
Clams are prone to be polluted in the outlets along the seashore or near-shore coastal waters rather than the open ocean. They are efficient biological indicators of pollution by successfully filtering pollutants. It serves a water-based pollutant spotter as it absorbs the pollutants in its tissues.
