In an ecosystem, two factors are being classified which are the abiotic and the biotic factors. Both of these factors play an important role in order to balance the ecosystem and maintain the harmony of the living things therein. The environment includes the abiotic factors which are the sunlight, weather, water, air, and all other factors which are not living but contribute to the growth and development of the living ones. For example, plants cannot live without water, sunlight and carbon dioxide. The effects that humans have on the environment is both good and bad. Humans also play an important role in maintaining the environment, and they also have the capability to endanger it.
Parasitism
Parasitism can be defined
as a relationship between species in which one organism (parasite) lives on or
in another organism which is the host, causing it some harm without immediately
killing it. Thus, parasitism is a kinds of close, symbiosis and persistent
biological interactions.
Answer:
The correct option is: D) introduction, growth, maturity, and decline.
Explanation:
Product life-cycle refers to the various stages involved in the life-cycle of a product.
There are four stages of product life-cycle:
<u>1. Introduction</u>: This stage involves launching a new product in the market.
<u>2. Growth</u>: This stage is characterized by strong growth in the sale and profit.
<u>3. Maturity:</u> This stage involves maintaining market shares.
<u>4. Decline</u>: This stage is characterized by decline in the sale and profit.
