Humans and Mammals
What are the 6 stages of a human life cycle?
Foetus - baby - child - teenager (adolescent) - adult - old person.
What is similar in the life cycles of birds and amphibians?
They both lay eggs.
How many stages are there in a complete metamorphosis cycle?
Four.
What is the name for a young insect before it undergoes incomplete metamorphosis?
Nymph or Naiad (water nymph).
It is a colt.
What is the name for a male horse that is still young but feeds by itself?
Why are mammals called mammals?
Female mammals have mammary glands that produce milk to feed their young.
Name two stages of birds' life cycle that differ from ones of mammals.
Hatching and nesting.
What is the additional stage that insects with complete metamorphosis have in the life cycle?
A pupa.
What is insects' moulting?
Moulting is a regular loss of old exoskeleton.
They are: Before birth - Young - Adult
What are the three main stages of any life cycle of mammal or bird?
What is the name for a baby horse that feed on its mother's milk?
A foal.
Name five stages of frogs' life cycle.
Egg - tadpole - tadpole with leggs - froglet - frog.
Name at least 5 insects with complete metamorphosis.
Beetles, wasps, bees, ants, flies, moths, butterflies.
Name at least 4 insects with incomplete metamorphosis.
Dragonflies, cockroaches, termites, praying mantis, grasshoppers.
It is translated as metamorphosis.
What is the Greek for "big change" or "transformation"?
How many times can human baby increase its weight in one year?
Three times.
What is the name of the frog's eggs?
Frogspawn.
Name all stages of a butterfly life cycle.
Egg - caterpillar - chrysalis - adult butterfly.
What are the two main functions of the young insects?
Feeding and growing.
Because their chitinous exoskeletone does not grow.
Why do insects need to moult several times during their life cycle?
Most mammals give birth to their young. Name those who don't.
Platypus and echidna (spiny anteater).
What is the main difference between young and adult amphibian?
Young have gills to breath underwater, adults have lungs to breath air.
What are the benefits of complete metamorphosis?
Young and adult insects do not compete for the habitat and food (they live in different habitats and use different food sources).
What are the main functions of adult insects?
Reproduction and distribution of their species.
It is a gestation period.
What is the name of the stage that mammals undergo before their birth?