21. 3 stage Insects: egg, nymph, adult
4 stage Insects: egg, larva, pupa, adult
Other animals: egg, embryo, young
animal, and adult
At egg stage, the embryo grows until it is born or hatched; the
young animal feeds and continues to develop;
the adult can reproduce
22. How is the life cycle of a cockroach
different from the life cycle of a
butterfly?
23. A cockroach has a 3 stage life cycle
And a butterfly has a 4 stage life cycle.
A young cockroach, or nymph, has the
same body form as an adult cockroach.
A young butterfly is a caterpillar, and it
has a different shape than an adult
butterfly.
24. How are fishes, frogs, and mammals
alike and how are they different?
25. Alike: Fishes, frogs, and mammals all have
backbones and need oxygen to live.
Different: Mammals and adult frogs have
lungs, while fishes and tadpoles get oxygen
by using gills. Fishes and frogs lay eggs,
but most mammals do not lay eggs. Unlike
fishes and frogs mammals have hair or fur, and
mammal mothers produce milk to feed their babies.
26. What are some things that some
adult animals do for their young?
27. Some animals, such as birds and
mammals care for and feed their
young for a while. Some mammals
teach their young many skills, such
as how to get food.
28. USE YOUR STUDY GUIDE TO GET
AN AWESOME GRADE ON THE TEST!
