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.
True.
The ciliary motion and the rhythmic muscular contraction is often referred to as PERISTALTIC WAVE
Answer:
Explanation:
Water bodies to water vapour which includes the process of evaporation.
Then, it will condense to become water droplets.
After it rains, it will fall back to earth as a water droplet and the cycle continues.
Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution.
