1–5 TEST
Heterotrophs - answers✔✔Are most animals autotrophs or heterotrophs?
2 million - answers✔✔About how many million species of animals are known to exist?
True - answers✔✔Most animal species are invertebrates. T/F?
Radial symmetry - answers✔✔What type of symmetry is exhibited by things like starfish?
Coral - answers✔✔What animal is responsible for producing most of the limestone that exists
on Earth?
Safe from tapeworms, bad for your health - answers✔✔We don't get tapeworms from chicken
meat, so is eating under-cooked chicken safe?
Roundworms - answers✔✔What phylum of animals was first to have a complete digestive
system?
Flatworms - answers✔✔What phylum of animals was the first to have organs?
Cnidarians - answers✔✔What phylum of animals was the first to have no tissues?
, Sponges - answers✔✔What phylum of animals has no tissues or organs and also lacks
symmetry?
A fluid-filled body cavity - answers✔✔What does coelom mean?
Mollusks - answers✔✔What phylum of animals was the first to have coelomate bodies?
Chordates. - answers✔✔There are 11 phyla of animals, ranging from the sponges to the
"highest form", the _______.
Larvae - answers✔✔Blood flukes are flatworms that cause shistosomiasis in humans, especially
in developing countries. What other animal is involved in the reproductive cycle of blood flukes?
More species of insects, but less of them in total - answers✔✔While there may be fewer
species of them, how does the number of individual roundworms (nematodes) on Earth
compare to the number of insects?
Elephantiasis - answers✔✔One kind of roundworm plugs the lymph system of humans, leading
to a disease called _____________.
From undercooked beef, pork, and fish - answers✔✔What is the major way in which humans
get tapeworms?
Snails - answers✔✔What slimy little garden creature is a common example of the mollusk
phylum of animals?
Earthworms - answers✔✔The annelid phylum is composed of creatures with segmented
bodies. What type of annelid is seen on MSU sidewalks in the early spring months after rainy
nights?