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WorksheetsInvertebrate animals
Total questions: 10
Worksheet time: 5mins
Which of these parts does not belong to the arthropods?
Cephalothorax
Claws
Visceral mass
Head
To which animal does this definition belong?
Are invertebrates that have an external skeleton, a segmented body and jointed limbs.
Arthropods
Molluscs
Cnidarians
Annelids
This animals attach themselves to the ocean floor and cannot move around.
- sessile
- choanocytes
- spicules
Where do the cnidarians digest the prey?
- mouth
- gastrovascular cavity
- clitellum
- digestive gland
The echinoderms can be
carnivores, herbivores, filter feeders or scavenger
Omnivores, carnivores or filter feeders
Carnivores, herbivores, parasites or scavengers
saprotrophs, herbivores, filter feeders or predators
To which group does this animal belong?
Cnidarians
Molluscs
Arthropods
Echinoderms
Annelids that don’t have setae and some of them are parasites
Oligochaetes
Polychaetes
Hirudineans
Anthozoans
Myriapods...
Their body is divided into two parts: the head and the thorax wich form a cephalothorax.
Their body is divided into three parts: a head, the thorax and the abdomen.
Their body is divided into three parts: a head, a pair of antennae and the abdomen.
Their body is divided into two parts: a head with a pair of antennae and an elongated trunk.
What type of reproduction have the poriferans?
reproduce asexually and sexually. Asexual occurs through gemmulation.
reproduce sexually. Some have separate sexes, while others are hermaphrodites.
reproduce sexually and have separate sexes. Some can reproduce asexually.
Reproduce sexually. Most species have separate sexes, but there are also hermaphrodite species.
Molluscs...
Have bilateral symmetry
Have radial symmetry
Have asymmetry
Have lack symmetry
