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Answer:
(A) Descriptive research
Explanation:
Descriptive research: The term descriptive research is referred to as a type of research method that is responsible for explaining the different characteristics of a particular phenomenon or population being studied.
The descriptive research method mainly focuses on what rather than why related to the subject of research.
This is a qualitative method of research process that includes surveys, cross-sectional research, naturalistic observation, longitudinal research, etc.
The descriptive research is established for explaining the connection between different variables.
In the question above, the given statement signifies the descriptive research.
A they couldn’t sell their produce
Plants are called producers because they are able to use light energy from the sun to produce food (sugar) from carbon dioxide and water. Animals cannot make their own food so they must eat plants and/or other animals. They are called consumers. There are three groups of consumers. Animals that eat only plants are called herbivores (or primary consumers). Animals that eat other animals are called carnivores. Carnivores that eat herbivores are called secondary consumers, and carnivores that eat other carnivores are called tertiary consumers. Animals and people who eat both animals and plants are called omnivores. Then there are decomposers (bacteria, fungi, and even some worms), which feed on decaying matter. These decomposers speed up the decaying process that releases mineral salts back into the food chain for absorption by plants as nutrients.
In a food chain, energy is passed from one link to another. When a herbivore eats, only a fraction of the energy (that it gets from the plant food) becomes new body mass; the rest of the energy is lost as waste or used up by the herbivore to carry out its life processes (e.g., movement, digestion, reproduction). Therefore, when the herbivore is eaten by a carnivore, it passes only a small amount of total energy (that it has received) to the carnivore. Of the energy transferred from the herbivore to the carnivore, some energy will be “wasted” or “used up” by the carnivore. The carnivore then has to eat many herbivores to get enough energy to grow. Because of the large amount of energy that is lost at each link, the amount of energy that is transferred decreases each time. The further along the food chain you go, the less food (and hence energy) remains available.
Food chains can also be represented in different forms such as this pyramid.
