A student observed that birds sit on their eggs before the eggs are hatched into young ones. The reason is
to protect the egg
to keep the eggs warm
to hide the eggs from others
it is customary for birds to sit on the eggs
Mammals have
a constant body temperature
changing body temperature
high temperature in night and low temperature in day
no temperature
The following are the names of organisms and names of their "babies". Which one of them is NOT true?
Cockroach - Nymph
Frog - Tadpole
Butterfly - Maggot
Cat - Kitten
What does an egg yolk contain that gives energy to embryo?
Water
Stored Food
Soil
Sunlight
The larva of a butterfly is called
maggot
nymph
cocoon
caterpillar
The animals which suckle their young ones is called
mammals
insects
reptiles
cocoons
Which one of the following life cycle is correct?
Baby → Teenager → Child → Adult
Seed → Flower → Plant → Fruit
Cocoon → Larva → Egg → Adult
Egg → Caterpillar → Pupa → Butterfly
The white part in the egg is called
yolk
albumen
egg shell
In the above diagram of life cycle of a butterfly, in which stage does the organism cover itself in a cocoon?
Egg
Larva
Pupa
Butterfly
Animals need to reproduce to
maintain their number
increase their number
maintain the balance of nature
all of these
