The factor that may have caused this competition is the scarcity of food.
<h3>What is natural selection?</h3>
Natural selection has to do with the idea that species that are better adapted to their habitat live longer and have the opportunity to reproduce and transfer these favorable traits.
The factor that may have caused this competition is the scarcity of food. The original ground-dwelling frogs have different genetic make up which allowed then to live in different conditions ultimately making it possible for them to adapt to various conditions.
Different species of frogs developed as they lived in different niches because the organisms had to develop traits that enable them to survive in new niches which were passed on to offspring ultimately leading to the emergence of new species.
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Answer:
Yes, we can classify the organisms in the kingdom fungi because the organisms show all the characteristics which are present in fungi. These characteristics are spore formation, presence of cell wall and structure of mycelium. These three structures are enough evidence to classify the organisms in the kingdom fungi.
One more thing, we have to check the cell wall composition. If the cell wall is made of chitin so it is fungi but the cell wall is made of cellulose so it plant like fungi which is a protist not fungi.
The most famous cancer cells are called HeLa cells. They're named HeLa cells after the young woman whose cervical cancer cells were biopsied to create this immortal line of cells: Henrietta Lacks. Her cells are still used to today in cancer research.
Side note: Her cells were used WITHOUT her consent and without any type of compensation for her contribution. Her case has been a big source of debate in the biomedical ethics community about consent and racial disparities in healthcare.
Smooth muscle cells are contractile and will contract from many different agents such as hormones travelling in the blood and neurotransmitters from the autonomic nervous system. The smooth muscle cells are coupled together so that when one cell contracts, the contraction is relayed to the next. This contractile ability is important in the vascular system as it helps regulate blood pressure by changing the size of the lumen of the vessel.
<span>This contractile feature also enables the movement of food through the digestive tract. Rhythmic contractions of smooth muscle cells, called peristalsis, moves the food along.
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