(b) metamorp
in the example
(a) moulting
and the relationship and complete the following as given in
tadpole
B. Understand the relations
Example:
Cockroach nymph
(a) Birds
lay eggs
(b) Cockroach nymph
(c) Butterfly : caterpillar
(d) Caterpillar leaves
frag
cow
housefly
bird
embryo
Answers
Answer:
Explanation:
life-cycle-cockroach.png
Identify the three stages of life cycle of a cockroach.
nymph, egg, adult
nymph, adult, egg,
egg, nymph, adult
adult, egg, nymph
A housefly has ____ stages in its life cycle.
2
3
4
5
How many stages does a grasshopper have in its life cycle?
2
3
4
6
The baby cockroach which comes out of the egg is called ______
larva
caterpillar
maggot
nymph
The larva of a housefly is called ______
maggot
nymph
caterpillar
larva
Answers & Explanations
egg, nymph, adult
The three stages of life cycle of a cockroach are egg, nymph, adult.
The baby insect which comes out of the egg is called a nymph. It is very similar to the parent. After moulting (shedding of old skin or shell) many times, it changes into an adult.
4
A housefly's life cycle is divided into four stages: (1) egg, (2) larva, (3) pupa and (4) adult. At each stage, the housefly's appearance changes completely.
The young one that hatches from the egg is called a larva. The larva of a housefly is called a maggot.
3A grasshopper goes through three stages: egg, nymph, and adult. Grasshoppers skip the caterpillar stage. It takes about two months for a grasshopper to complete its life cycle from egg to adult.
nymphThe baby cockroach that comes out of the egg is called a nymph. It is very similar to the adult. After moulting (shedding of old skin or shell) many times, it changes into an adult.
maggot
The larva of a housefly is called a maggot.
Within a day, maggots hatch from the eggs; they live and feed on (usually dead and decaying) organic material, such as garbage, carrion or faeces. They are pale-whitish, 3–9 mm long, thinner at the mouth end, and have no legs. Their life cycle ranges from 14 to 90 days. Then the maggots crawl to a dry, cool place and transform into pupae, coloured reddish or brown and about 8 mm long.
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