Answer:
it says that plants are the main source of nutrients and energetic materials and when the cow feed on them, it consumes some of the benefits that we miss when we eat beef
The statement is true that T-cells are a type of immune cell system that recognizes pathogens in the body.
T-cells are the lymphocytes that are involved in providing acquired immunity to the body. They can recognize the pathogens presented by the antigen presenting cells. There are two types of t cells: helper T cells and Cytotoxic T cells.
Immune cells are the cells of the immune system that are involved in protecting the body from infection, allergies and foreign pathogens. There are several immune cells that perform several functions. The example of such cells are: phagocytes, lymphocytes, dendritic cells, etc.
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Explanation:
Marine science deals with the physical,chemical and biological aspect of the world oceans. It helps to provide a better scientific insight into how we perceive and eventually use the ocean and its resources.
Technology has brought disruptive innovations into different aspects of science. Marine science is no exception. With technology, marine scientists can better collect data that would benefit their studies. The ocean comes with a lot of challenges when we want to study it. Technology can simplify this. Nowadays, marine scientist do not have to go into depths to collect samples. Unmanned Vehicles can be deployed to several depths to bring samples to the surface.
In terms of analysis and making meaningful deductions, technology now offers a better way of treating data through machine learning and artificial intelligence.
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Answer:
Keystone Species
Explanation:
A species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically.
