How the insect grow although their body is entirely covered by chitin which is non elastic and non fexible

Which of the following is not a way in which a vascular plant's xylem and phloem are similar?

Classify the structures as homologous or analogous, depending on their structure and function.

Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat