Invertebrates 1
All invertebrates have no what?
Backbone
How many pairs of legs do insects have?
3
Anything that causes a response in an organism
Stimulus
The study of animals is called what?
Zoology
An insect's life cycle, which includes changes in body form.
Metamorphosis
The phylum most animal species are found in.
Arthropoda
Sea creatures. Many got legs and a set of antenas.
Crustaceans
A tube that transports gases inside insects.
Trachea
They have got shells
This type of animal has tube feet in its water-vascular system.
Starfish
Their bodies have little holes called
Pores
The stinging testicles
Jellyfish
Name three of the features that define an organism as an animal.
Eukaryotic, multicellular, organized tissues, consumers, have organs, reproduce sexually (some also can reproduce asexually)
The three sections of an insect.
Head, thorax, and the abdomen
They have got different shapes, discs, cylinders, spheres, and stars.