Because they can be differentiated to form insulin-producing cells
I believe the correct answer from the choices listed above is the third option. It is oxygen that is a necessary reactant for cellular respiration to occur. Cellular respiration, in a sense, is breaking down sugar in the presence of oxygen. Hope this answers the question.
<span>The answer would be macrocytic anemia.
</span><span>Macrocytic anemia is lack of red blood cells that caused by B12 deficiency. Vitamin B12 is mostly found in animal products (eggs, dairy product or honey) so vegan will have increased risk of deficiency. Vegetarian that doesn't eat meat also at risk of iron deficiency that will cause microcytic anemia.</span>
A reduction in number of fungi in the food web lead to a decrease in the producers and the other consumers.
- Trophic levels are hierarchies in an ecosystem. The trophic level of an organism is the position in the food chain. A trophic level can be defined as a group of organisms in the same level in a food chain or food web.
- Organisms are organized into various trophic levels. They can either be producers, consumers or decomposers. Decomposers include bacteria and fungi that feed on dead organic matter.
- If fungi were to affect by acid rain that will lead to low yields and then there would be few decomposers in the food web and hence there would be no recycling of nutrients in the food web.
- Fungi help to remove the environment of the dead organic organisms and add nutrients to the soil for use by the primary producers.
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