Answer:
Active transport requires energy because it is not a passive process. The molecule has to go against the concentration gradient. Hence it requires energy to be carried by the carrier proteins.
The energy is used is ATP, which comes from respiration
Answer:
The correct answer will be option A.
Explanation:
Humans in history have always tried to organize the diversity of organism based on a number of characters like ecological functions, habit, habitat and others based on the similarities and dissimilarities.
The traditional way of classification has classified the organisms based on the morphological characters but the modern concept of a classification approach to classify the organism based on their evolutionary relationship as a grouping in this way not only organizes the animals but also conveys the information about the understanding of their evolution and evolutionary history.
Thus, option A is the correct answer.
The National Fire Prevention Association (NFPA) established a rating system to classify and abundant the hazards of a solid. If you have formerly functioned in building you’ve perhaps seen the colorful labels used to clarify these dangers. The yellow diamond, looking at the right side of the brand, transfers REACTIVITY (or constancy) information.
