Answer:
Some benefits of plastic are that plastic packaging helps protect and preserve goods, while reducing weight in transportation, which saves fuel, reduces greenhouse gas emissions and are low in cost.
Some disadvantages are that toxic chemicals can leach out of plastic and can be found in the blood and tissue of nearly all of us. Exposure to them is linked to cancers, birth defects, impaired immunity, endocrine disruption and other ailments
Only about ten per cent of the biomass is transferred from each trophic level to the next. The remaining 90 per cent is used by the trophic level to complete life processes . Biomass can be lost between stages because not all of the matter eaten by an organism is digested.
Answer: control plot
Explanation:
Control plot refers to the plot that couldn’t receive the experimental treatment such as fertilizer and or variable being tested while another plot receive fertilizer can give proper yield. It is just because, fertilizer is the main source or substance that provides chemical elements that may necessary for corn plant growth and its development. There are two main types of fertilizers such as organic and inorganic, among them organic fertilizer usually contains different nutrients that broken down by different microorganism and then used by such plants to grow effectively.
Option (III) .Cephalization, the clustering of neurons and interneurons in the anterior part of the animal, is apparent in <u>Planaria.</u>
What is planaria?
- Planaria is a genus of planarians in the family Planariidae.
- When an individual is cut into pieces, each piece has the ability to regenerate into a fully formed individual.
- Currently the genus Planaria is defined as freshwater triclads with oviducts that unite to form a common oviduct without embracing the bursa copulatrix and with an adenodactyl present in the male atrium.
- The testes occur along the whole body.
- Planaria originally have habitats in dark, murky water which results in such sensitivity .
- They are also sensitive to other stimuli such as chemical gradients, vibration, magnetic and electric fields .
- Their central nervous system includes the anterior (head, brain and eyes) and middle (abdominal trunk and pharynx).
To know more about planaria, refer:
brainly.com/question/1917416
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Answer: the introduction, the body, and the conclusion
Explanation:
An editorial piece is meant to show the opinion of the newspaper on a certain issue. It is usually written by the senior editor or the publisher and is the first article on the written piece.
Editorials follow a common writing structure that begins with an introduction where the issue is introduced. Discussions are then made in the body and the conclusion will then round up the piece.
