Choose the letter the corect
1 The largest group of invertebrates is the anthropodareup who de repede bave in
A They live on and and have an exceleton
C They have semented bodies and you
B They can fly and have founted leys
z Why do some mollusks have shells?
D They have skeleton and segmented baches
So they can live both on land and water
This as a reason why molus have shell
B To make it easier to find food
3. All of the following are hollow bosted animals except
D To protect that so bad
A corals
Cjellyfish
Boy
stor
D ses ancmanes
4. All invertebrates are animals that
A have hard shells
Chave hollow bodies
B have no backbone D live in the ocean
5 Which of these groups of animals belong to echinoderms
A bees, butterfly and mantis
C. earthworm, lecches and supeworm
B sand dollar, starfish and sea urchins D spider, ticks and scorpion
6. To what subgroup of arthropods do invertebrates with four pairs of legs belong?
A echinoderms
Carachnids
B crustaceans
D insect
7. They are characterized as marine animals with spiny endoskeleton. They have water vascular system
tube feet and radial symmetry as adult Which group of imenebrates is being desobed
A mollusks
C. cnidarians
B. echinoderms
D. annelids
8. They have no tissue, no organ, and most have no symmetry
A sponges
C. cnidarians
B. echinoderms
D. annelids
9. Which group of invertebrates is divided into segments with a ringed appearance?
A. sponges
C. cnidarians
Bechinoderms
D. annelids
10 Animals such as vertebrates and invertebrates have economic importance. They are sources of food
medicine and scientific investigations. How will you show that you care and protect these animals in the
environment?
A We don't need to strictly implement wildlife regulations
B. We must have them lived in our houses.
C We have to establish reserve wildlife refuge areas where birds and animals may breed without being
killed by man
D. Hunting activities must be practiced
11. Which group of organisms can be found in the mangrove ecosystem?
A. mussels fish, corals C butterfly, snake, bird
B. worm, rat, fish
12 What are the things needed by plants to make their own food
A water, chemicals and oxygen
D carbon dioxide, soil and sunlight
B. oxygen and carbon dioxide
D. mangrove trees, fiddler crab, fish
C oxygen and chemicals
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