Abeka Grade 6 Science Test 2

some algae

The smallest of all green plants are _________

saprophytes

Fungi that feed on dead matter are called ________.

Fern

A plant that has fronds and produces spores instead of seeds

yeast

The fungus that converts sugar into alcohol and carbon dioxide is ________.

mosses

The green plants that have no true leaves, stems or roots

lichen

A fungus and an algae working together as one plant form a ________.

mushroom

The plant with the fruiting body

pinyon pine

What tree grows in the hot dry climate of the southwestern states?

pines

What is the only conifer with bundles of needles?

blue spruce

What is an attractive tree with frosty needles often planted as an ornamental?

perennial

A plant that does not die after one season of growth but continues to live and grow for many seasons

biennial

A plant that lives for 2 years and then dies

deciduous

Trees lose their leaves in the fall

tree

A plant with a single woody stem

conifers

Trees that bear cones instead of flowers

spores

Single cells that some plants produce instead of seeds

annual rings

The age of a tree can be determined by counting its ________.

California redwood

The tallest kind of tree

giant sequoia

The largest kind of tree

dendrologist

Scientists who study trees

cambium

Growth in a tree takes place in the _______ layer immediately under the bark.

cedar

The _______ has an attractive reddish wood with an oil that produces a pleasant fragrance.

fungi

_______ were created to live without chlorophyll.

rhizoids

The roots of ferns are called _______.

cedar

What kind of North American trees are members of the cypress family and have reddish wood containing a fragrant, moth-repellent oil?

oak

What kind of tree has especially thick, wide spreading branches and acorns?

willow

What kind of tree grows best near water, has long thin leaves and drooping branches that give a mournful appearance?

giant sequoia

What kind of tree is the largest of all trees?

pine

What kind of trees of this one variety are the oldest living things and the needles grow in bundles?

maple

What kind of tree is a good shade tree with especially colorful fall leaves and a good source of sugar and syrup?

bald cypress

What type of tree grows and swamps and lagoons of the South with root knees sticking out of the water?

hemlock

What type of tree is the chief American source of tannin and cones hand down from the tips of the branches?

birch

What type of tree has smooth, white, papery bark that peels off in thin layers and Indians made wigwams and canoes from the bark?

fir

What type of tree has cones that fall apart while still on the branch and stick straight up from the tops of the branches; the needles are usually blunt and soft?

palm

What type of tree is evergreen but not a conifer, a monocot and the leaves are called fronds?