What is an organ system?

(a) Give two examples of organ systems in animals.

(b) Name the two main organ systems in plants.

State whether the statement below is True or False

Unicellular organisms have one-celled body.

Indicate whether the following statements are True (T) or False (F).

Muscle cells are branched.

Indicate whether the following statements are True (T) or False (F).

The basic living unit of an organism is an organ.

Indicate whether the following statements are True (T) or False (F).

Amoeba has irregular shape.

Make a sketch of the human nerve cell. What function do nerve cells perform?

Write short notes on the following :

Cytoplasm

Write short notes on the following :

Nucleus of a cell

Which part of the cell contains organelles?

Make sketches of animal and plant cell. State three differences between them.

State the difference between eukaryotes and prokaryotes.