1
Out of Snails, clams, and squids, ____ (all of them, some of them, none of them) have shells.
Some of them
What would happen to some invertebrates if they lost a body part such as a arm or a leg?
Grow another one/ regenerate
What is a sponge shaped like?
Sac-shaped
The sponge's body is full of small channels called _______.
Pores
What do leeches eat?
Small molluscs or arthropods, and sometimes the blood of vertebrates.
What protects and supports an arthropod’s body?
An exoskeleton
Insects such as a fly has _____ legs.
six
What is an annelid’s body like?
Soft, segmented, and moist
Which group of arthropods has eight legs and no antennae?
Arachnids
Most animals are _____.
Invertebrates
How do sea urchins protect themselves?
With spines
Which type of mollusc has a shell made of two parts that closes when it senses danger?
Bivalves
Which arthropods have a segmented body with one pair of legs on each segment (except the head)?
Myriapods
Why is it important to have worms in the soil?
To mix up the nutrients in the soil.
Cnidarians are aquatic animals that are divided into two big groups: ___________.
jellyfish and polyps
Which group of molluscs uses muscular tentacles with suckers to catch their prey?
Cephalopods
What are the four groups of arthropods?
Insects, Crustaceans, Myriapods, and Arachnids