Name the stage of the occurrence of more than one embryo in a seed.

Name the stages in lithosere?

One gram is more than

Name the structure that connects placenta to the embryo.

The 16 cells stage of the human embryo is

Name the stage of the cell cycle at which, each one of the following events occur : Chromosomes are moved to spindle equator.

Name the stage of the cell cycle at which, each one of the following events occur : Centromere splits and chromatids separate.

Give an example to show how the same species can occupy more than one trophic level in the same ecosystem.

If A and B are two independent events, then the probability of occurrence of at least one of A and B is given by 1- P(A') P(B').

In a random experiment, if the occurrence of one event prevents the occurrence of other event, it is