Answer:
female gametophytes
Explanation:
The cell called megasporocyte (2n) is usually the mother cell of the megaspores, which are the female spores of spermatophyte plants.
After an meiosis, the megaspore mother cell (2n) will give rise to 4 megaspores (n). Three of these megaspores usually degenerate. The functional megaspore will then develop into the megagametophyte, which will be called the embryonic sac. Initially the megaspore grows and its nucleus divides.
1 ) under water earthquakes cause a disturbance sending water outwards away from the point of the earthquake due to air and pressure coming into contact at gray force
Answer:
Begin intradermal testing
Explanation:
Begin Intradermal allergy testing is a skin testing tool that provides a strong reposne against any specific allergen.
The procedure involves injecting a small amount of the alleged allergens under the skin surface. The region is being checked for a reaction at the site after around 20 minutes.
As intradermal test are invasive, they will give quick response in comparison to scratch test which is unable to identify teh allergen.
Hence, the correct answer is Begin Intradermal testing.
Producers, which are the base of the food chain for ecosystems are essential and do not require oxygen to cycle energy and matter, as they create oxygen through photosynthesis. Plants are producers that use this process to capture light energy and use it to convert carbon dioxide and water into an organic substance known as glucose.
A one-use item is disposable, because it is disposed after its use.
