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Science test 6B

invertebrate test 6th 4-23-12

A characteristic shared by all invertebrates is... None of them has a backbone.
A group of organisms that have stinging cells to stun their prey are the... Cnidarians.
Animals that have a strong muscular foot that they glide on are... Gastropods
All animals in the mollusk group have bodies that are... Soft
The group of animals with spiny skin and tube feet, which they can use to exert great pressure (suction) and pull their prey open, is... Echinoderms
Three groups of worms that are studied most are... Flatworms, Roundworms, Segmented worms
Starfish can regrow lost parts of their body. This ability is called... Regeneration
The animal group that is the most simple, with cells but no tissue or organs is... Sponges
Give an exaple of a cephalopod? Octopus
The animal group which includes bivalves, gastropods, and cephalopods is... Mollusks
Most sponges do not move around. The word for this characteristic is... Sessile
Making sure that pork is fully cooked before it is eaten is important to prevent being infected with... Parasitic worms
An invertebrate body form in which the two halves are mirror images of each other is... Bilateral Symmetry
Spiders belong to the groups of animals called... Arachnids
How can you tell a butterfly is an insect? It has three body segements
Crustaceans have ________ pair of legs. Five
An invertebrate that lives in water, has no organs, and takes in water and food through small holes or pores is a... Sponge
One invertebrate that has a flat body, eyespots, and can grow back lost parts is a... Planarian
One invertebrate that lives in water, catches food with its stinging cells, has a soft body, and moves by squirting out water is a... Jellyfish
Which animal probably has the most legs? Millipede
The wings and legs of an insect are joined to the body on the... Thorax
Until about 200 years ago, people thought sponges were.. Plants
How do animal cells differ from plant cells? Animal cells are surrounded only by cell membranes.
Two types of asexual reproduction are... Budding and Fragmentation
Which of these is NOT an arthropod? mosquito octopus black widow spider centipede Octopus
What do starfish have in common with planarian? Can regenerate
Mullusks have how many shells? No shell, One shell, Two shell
Which of these is not an animal with spiny skin (echinoderms) Oyster Starfish Sea urchin Sand dollar Oyster
Which of these animals has bilateral symmetry? sea urchin segmented worm sponge jellyfish Segmented worms
Jellyfish have bowl-shaped bodies with one opening that faces down. This body shap is called... Medusa
Coral belong to the group of invertebrates called... Cnidarians
A worm that looks like a spaghetti noodle with pointed ends is a... Round worm
The worm that we examined and experimented with belonged to which group? Segmented worms
The animal that makes a pearl is a... Bivalve Mollusk
What is NOT a way the Cephalopods protect themselves? Fighting with their tentacles
The animal whose namemeans "stomach foot" is... Gastropod
The exaskeleton of an arthropod is important because... it keeps the arthropod from growing too large it protects the arthropod like a suit of armor it keeps the arthropod from drying out
The process of an egg's nucleus joining with a sperms's nucleus is called... Fertilization
Because they feed on other organisms to get energy, all animals are... Consumers
Which of the following is a hard covering that protects an arthropod? Exoxkeleton
The body plan of sponges, jellyfish, and adult corals is... Asymmetrical
The body plan of crustateans is... Bilateral symmetry
The body plan of a starfish is... Radial symmetry
All animals Are multicellular organisms
A group of organs that perform a specific function important to the survival od an animal is called a... Organ system
Of the more than 1 million species of animals scientists have named... Arthropods are the largest group.
The stages of incomplete metamorphosis are.. egg, nymph, adult
An animal that goes through an incomplete metamorphorsis is a... Grasshopper
The three types of mouth parts that different insects will have are... chewing, piercing, sucking
The four groups of arthropods are... Cnidarians, Sponges, Mollusks, Crustaceans
What is NOT a reason that insects are helpful? They spread diseases such as malaria.
The combined head and thorax of an arachnid is called the... Cephalothorax
Which animal with lots of body segments has 1 pair of legs on each segment and has a poisonous bite? Centipede
What is the process in which some insects shed their exoskeletons as they grow? Shredding
Created by: pettaforever