Magnetotactic bacteria can sense Earth's magnetic field.
Potassium, Sodium and Calcium are important for cells not for magnetic sensing.

Yeast is single cellular and used in baking.
Mushrooms and Puff balls are multicullular.
Slime molds are not fungi and have complex structure.

Vaccination prevents from diseases, not cloning.
Phyletic Lineage is a evalutionary history, not cloning.
Deforestation & Industrialization is a human activity, not cloning.

Prokaryotes are not bacteria.
A small group of algae cells (tiny water plants) living together
Hormones is a chemical message.

Cleavage means rapid repeated mitotic (cell) divisions of the zygote after fertilization.
The structure of DNA is not cleavage.
Eukaryotes is a type of organism.

Cephalopods is like octopus, squid, cuttlefish.

After fertilization, when the male gamete (sperm) and female gamete (egg) fuse, they form a single cell called a zygote. This zygote is the first cell of a new organism and later develops into an embryo and then a foetus.

Coenzymes are organic molecules that bind to enzymes and help in chemical reactions.

Centromere means the middle pin of chromosome.
The shape of chromosome depends on the position of this pin.
If it is in the middle then chromosome looks like X-Shape and if it is near the end then chromosome looks like V or L shape.