Abeka 4th Science Test 6 EXAM p2

In a forest, the _________ layer acts like an umbrella.

• tree trunk
• underbrush
• canopy
• forest floor

A sunflower is a(n) _______ flower.

• perennial
• biennial
• tropical
• composite

A temperate forest grows in climates having _______ seasons.

• ten seasons

• three seasons
• five seasons
• four seasons

The growth stages of complete metamorphosis are egg, ______ pupa, and adult.

• chrysalis
• larva
• nymph
• caterpillar

Fish, amphibians, and reptiles are ________ vertebrate classes.

• cold-blooded

• warm-blooded

• hot-blooded

A green plant is able to make food because it has ___________.

• chlorophyll
• water
• sunlight
• soil nutrients

The largest group of arthropods is __________.

• arachnids
• crustaceans
• myriapods
• insects

The ________ is the part of the seed that is the new plant.

• cotyledon
• seed coat
• endosperm
• embryo

A(n) ________ is a triangular landform at the mouth of a river.

• canyon
• delta
• plateau
• valley

A(n) ________ is the natural home of a plant or animal.

• habitat
• biome
• nest
• ecosystem