The Oxygen-Carbon Dioxide Cycle. Plants use carbon dioxide in a process known as photosynthesis. During photosynthesis, plants give off oxygen as a waste product. ... Animals breathe in the oxygen made by plants and breathe out carbon dioxide as a waste product.
Biotechnology
Biotechnology is the use of living systems and organisms to develop or make products that improve our lives and the health of our planet. The wide concept of "biotech" or "biotechnology" involves an extensive variety of procedures for modifying living organisms according to human purposes. For example, the domestication of animals and cultivation of plants, improving these through breeding programs which uses artificial selection and hybridization. For many years now, it has been used in many fields like agriculture, food production and medicine.
Answer:
Technology.
Explanation:
Technology is defined as the methods, techniques, skills which are used in the production of goods and services.
Technology can be the knowledge of techniques process to allow or complete the operation without detailed knowledge of the working.
System by applying techniques will give the outcome by taking an input by changing the process of according to the system use, this process is called technology use.
Therefore, technology can be referred as the use of scientific tools to help in making things easier and better.
Answer:
Selection pressures are external agents which affect an organism’s ability to survive in a given environment
Selection pressures can be negative (decreases the occurrence of a trait) or positive (increases the proportion of a trait)
Selection pressures may not remain constant, leading to changes in what constitutes a beneficial adaptation
Types of selection pressures include:
Resource availability – Presence of sufficient food, habitat (shelter / territory) and mates
Environmental conditions – Temperature, weather conditions or geographical access
Biological factors – Predators and pathogens (diseases)
Answer:
Papillary Layer
Explanation:
In addition, the papillary layer contains phagocytes, defensive cells that help fight bacteria or other infections that have breached the skin. This layer also contains lymphatic capillaries, nerve fibers, and touch receptors called the Meissner corpuscles.