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Scientists classify animals by their ___________.
characteristics
warm
offspring
cold
A cold-blooded animal's body temperature _________ with its surroundings.
offspring
changes
warm
cold
Some fish reproduce by giving birth to live _____________.
cold
warm
characteristics
offspring
Insects and spiders are ______ -blooded invertebrates.
cold
changes
offspring
warm
Have two antennae
reptiles
fish
insects
spiders
use silk to catch food and to make egg sacs
reptiles
spiders
fish
insects
have eyelids and lungs as adults
amphibians
reptiles
insects
fish
some have movable upper jaws
spiders
fish
amphibians
reptiles
some have spines for protection
insects
reptiles
fish
amphibians
The stages of all animals' life cycles are birth, growth, reproduction, and (adult).
False
Both amphibians and fish are (cold-blooded) vertabrates.
True
The process of an animal changing form as it grows is called (metamorphosis).
True
An animal that hunts other animals is called a (predator).
True
A scientist who studies how animals behave is called a (horticulturalist).
False
Ladybug's metamorphosis order
egg, larva, pupa, adult
Life Cycle of a frog
egg, tadpole with gills and short tail, tadpole with lungs and legs, adult frog
