Examples of biting and chewing pests are snails, slugs, caterpillar, Helicoverpa, diamond black moth, beetles , termites, leaf worms, grass hoppers etc.
Examples of piercing insects are lace bugs, aphids, white flies, glassy winged sharp shooter, false chinch bugs, Bargrada bug, mealy bug, Eugenia psyllid, Pittosporum psyllid, Tipu psyllid etc.
<u>Explanation:</u>
Pests that affect crops have different feeding habits. Some pests belong to the type biting and chewing pests. These pests bite into the plant parts and chew them. This will leave circular holes in the leaves and semicircular holes in the leaf edges.
Piercing and sucking insects pierce into the plant parts and suck the sap. Removal of sap turns the plants yellow, and wilted. The growth might get stunted and in severe cases the plant may die off.
A Wisconsin fast plant has 2n= 20 chromosomes
Mitosis is the cell division used to replace the old cell.
This type of cell division is used when a cell needs to be replicated into exact copies of itself. The new cell (Two in number) is totally duplicate of the original one. The new two cells are called daughter cell while as original one is called mother cell.
Comets have tails asteroids don't.
Comets are made up of mostly ice.
Asteroids are made up of rock and debris.
