Endoparasites are found inside the host body. Mention the special structures, possessed by these and which enables them to survive in those conditions.

Suppose Euphorbia and Maize are grown in the tropical area. Which one of them do you think will be able to survive under such conditions?

During a field visit, one of the students observed a cyclindrical worm in the soil, and noted its characteristics like segmented body, bilateral symmetry and presence of clitellum. After its dissection , students observed that the worm was eucoelomate . Another student observed a worm which was thread-like without segments and after its dissection they found that the worm was pseudocoelomate. Baed on the given paragraph answer the following questions. Mention any two characteristics of the thread-like worm , observed by the second student.

During a field visit, one of the students observed a cyclindrical worm in the soil, and noted its characteristics like segmented body, bilateral symmetry and presence of clitellum. After its dissection , students observed that the worm was eucoelomate . Another student observed a worm which was thread-like without segments and after its dissection they found that the worm was pseudocoelomate. Based on the given paragraph answer the following questions. Mention any two characteristics of first animal.

Aminoacids, as the name suggests, have both an amino group and a carboxyl group in their structure. In addition, all naturally occurring aminoacids (those which are found in proteins) are called L aminoacids. From this, can you guess from which compound can the simplest aminoacid be made?