Multiple Choice Answers

Sometimes young trees are killed when mice or rabbits eat outer regions of the trunk. Which best explains how this kills the tree.
The trunk is exposed to the air, therefore it dries out
The trunk is exposed to the air; therefore fungal pathogens take hold and kill the tree
The vascular tissues are destroyed; therefore food cannot be transported from the leaves to the roots, and water cannot be transported from the roots to the upper regions
Because of the damage, the tree will eventually be cut down by the feeding

The many kinds of aquatic animals that are large enough and strong enough to be able to swim against currents and tides and go where they want are referred to as
Phytoplankton
Nekton
Benthic creatures
Sessile creatures

An adult tapeworm might be found in the intestines of a
Cow
Dog
Goat
Sheep

Most sessile animals are
Predators
Producers
Filter feeders
Parasites

Materials move through a moss plant by
diffusion
active transport
exocytosis
endocytosis

All of the following are arthropods EXCEPT
Crustaceans
Spiders

Insects
Clams

In animals constructed of a tube within a tube, the open space between the two tubes is the
Digestive system
Respiratory system
Coelom
Muscles

These are parasitic flatworms.
Roundworms
Planarians
Flukes
Protozoans

Sessile organisms
Exhibit internal fertilization
Produce spores
Produce free-swimming sperm
Are strictly asexual

Sexual reproduction of the schistosomiasis fluke occurs
Within a human’s body
In fresh water
On grasses
In snails

The clams, oysters, and mussels belong to this group because of the nature of their shells.
Bivalves
Slugs
Chitons
Radulas

Radial symmetry is a characteristic of
Echinoderms
Mollusks
Sponges
Chordata

A(n) ____ has bilateral symmetry.
Sponge
Starfish
Insect
Jellyfish

Arthropods (Crustaceans, spiders, insects, millipedes, centipedes) have this kind of skeleton that surrounds all other organs.
Endoskeleton
Exoskeleton
Bony skeleton
Cartilaginous skeleton

Animals with a backbone are
Vertebrates
Chordates
Colonial
Invertebrates

Plants having naked seeds out in the open are
Gymnosperms
Annuals
Angiosperms
Flowering

Plants that do not shed all their leaves at one time are
Angiosperms
Flowering
Nondeciduous
Deciduous

Monocots and dicots are types of
Angiosperms
Gymnosperms
Mosses
Ferns
Cells that perform a special function form
Organs
Systems
Tissues
Organisms

Plants with seeds inside the ovary are
Gymnosperms
Angiosperms
Cone-bearing
Pollen-producing

Plants that are similar in nearly all respects are members of the same
Genus
Species
Family
Division

Root hairs in a plant
Produce new roots
Absorb water
Absorb food and water
Cover bald spots

All of the following are parts of the pistil EXCEPT the
Filament
Style
Ovary
Stigma

Which one of the following is the most primitive vascular plant?
Fern
Angiosperm
Gymnosperm
Moss