Question | Answer |
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 |