The exchange of matter or substances between the cell and its environment is dynamic as it varies in direction and rate as per the requirements of the cell. Thus,a cell attains a stead -state wherein the internal conditions of the cell remain constant. Hence, cell is considered to be a open dynamic system
It’s number 4 I believe please give me Brainlest
Answer:When a cell divides by way of meiosis, it produces four cells, called gametes.
Explanation:
Answer:
TEF-thermic effect of food
Explanation:
The thermic effect of food is the energy needed for digestion, absorption, and removal of ingested nutrients. Its magnitude relies on the components of the food consumed: Carbohydrates has 5 to 15% of the energy ingested while Protein 20 to 35% of the energy ingested.
The thermic effect of food can be determined by multiplying the total calories derived from food by 10%. For example, a 2000 calories diet a day will consume approximately 200 calories in digesting the food.
Answer:
bedrock
Explanation:
In the soil is characterized by several layers, which are: humus is more abundant in the upper layer of the soil, known as the superficial layer. The layer below is called the subsoil, which is mainly composed of clay and sand. Below it is a frayed rock layer. And deep down is a solid rock layer called the bedrock.
Bedrock is the type of rock on which the soil rests. Through erosion and a weathering process, the parent rock enables the inorganic sector of the land to develop.
