Explain the changes that occurs in the uterus simultaneously in anticipation.

Explain the divisions that occur in the zygote.

Explain the changes in (i) and (ii).

Name the process that occurs in uterus after fertiization that results in pregnancy. How does it occur? Write the changes that occur in the ovary if a woman fails to conceive.

List out the changes which occur during puberty .

Compare the enthalpy changes that occur between the neutralisation of a strong acid and a weak acid by sodium hydroxide. Explain the differences seen.

How can a change occur in a substance?

Name the major changes that occurred during the evolution of chordates?

List out the possible changes occur in the plant species due to domestication.

It is an undesirable change that occurs in air and water.