Organisms And Their Relationships

Commensalism is the correct answer because it refers to a relationship between two or more organisms where one benefits while the other is neither helped nor harmed. In commensalism, one organism benefits from the relationship by obtaining food, shelter, or other resources, while the other organism is unaffected. This type of relationship is commonly observed in nature, where one organism may use another organism for transportation, protection, or access to resources without causing any harm or benefit to the host organism.

An organism lives in its habitat, which refers to the specific environment or place where it naturally resides and obtains the necessary resources for survival. A habitat provides the organism with the appropriate conditions, such as temperature, food, water, and shelter, that are essential for its existence. It is the natural home of the organism, where it carries out its life processes and interacts with other organisms and the physical surroundings. The habitat plays a crucial role in determining the distribution and abundance of different species in an ecosystem.

If a tick is connected to a dog, it is an example of parasitism. Parasitism is a type of symbiotic relationship where one organism (the parasite) benefits at the expense of the other organism (the host). In this case, the tick benefits by feeding on the dog's blood, while the dog is harmed by the tick's presence and potential transmission of diseases.

Mutualism refers to a relationship between two or more organisms where they live together and both benefit from each other. In this type of relationship, both organisms rely on each other for survival and gain advantages such as food, protection, or reproduction. This can be seen in various examples in nature, such as the relationship between bees and flowers, where bees obtain nectar for food while simultaneously helping in pollination. Thus, mutualism is the correct answer as it best describes the given explanation.

A close relationship of two or more species is known as symbiosis. Symbiosis refers to a mutually beneficial interaction between different species, where they rely on each other for survival and reproduction. This relationship can take various forms such as mutualism, where both species benefit, commensalism, where one species benefits while the other is unaffected, and parasitism, where one species benefits at the expense of the other. Symbiotic relationships are essential for maintaining ecological balance and play a crucial role in the survival and evolution of many species.

Ernst Haeckel is credited with introducing the concept of ecology. He was a German biologist and philosopher who coined the term "ecology" in 1866. Haeckel's work focused on the study of organisms and their interactions with their environment. He emphasized the interdependence and interconnectedness of all living things, laying the foundation for the field of ecology. Haeckel's contributions to ecology have had a lasting impact on our understanding of the natural world and the importance of preserving and protecting it.

The first level of organization is the organism because it is the most basic and fundamental unit of life. An organism refers to a living entity that can carry out all the necessary functions of life, such as metabolism, growth, reproduction, and response to stimuli. It can be a single-celled organism like bacteria or a complex multicellular organism like a human being. At this level, the organism is capable of maintaining homeostasis and interacting with its environment to survive and thrive.

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Competition occurs when more than one organism uses a resource at the same time. This can happen when multiple individuals or species are vying for limited resources such as food, water, or shelter. In such situations, there is often a struggle for survival, as each organism tries to outcompete the others to secure the necessary resources for its own survival and reproduction. This competition can lead to various adaptations and strategies that help individuals gain a competitive advantage, such as evolving specialized feeding habits or developing better defense mechanisms.