Answer:
The correct answer is option B. "needs, wants".
Explanation:
Needs are basic human requirements, which include the basics needs of food, shelter and clothing. On the other hand, wants are the ways in which needs are satisfied. For instance, the need of food is satisfied by the wants of different types of food, depending on cultural and socioeconomic factors.
Answer - What is the purpose of the activity ? Is there an article or picture you can snap a overview of what the details of the work is about ?
Reasoning - Little Details
gas exchange is a primary example of simple diffusion,the exchange of *oxygen* and *carbon dioxide* fuels the cellular processes such as photosynthesis and cellular respiration
Answer: A Fixed Action Pattern
Explanation:
A fixed action pattern is an ethological term and off course a natural activity pattern that causes animals to act in a specific behavior pattern distinctive to their species. It is a pattern that is relatively unchangeable within the species and usually ends even when it is interrupted. You can say that, it is innate releasing mechanism or network where sign stimulus exists, once released from neural network; fixed action pattern leads to completion as well.
Answer: we can make observations directly by seeing, feeling, hearing, and smelling, but we can also extend and refine our basic senses with tools: thermometers, microscopes, telescopes, radar, radiation sensors, X-ray crystallography, mass spectroscopy, etc. And these tools do a better job of observing than we can!
