Lesson 9 Study Practice

Most plants  on the earth are____________.

• nonvascular

• nonflowering

• evergreens

• seed plants

All seed plants share two characteristics; they have ________ and use seeds to reproduce.

• rhizoids

• flowers

• vascular tissue

• spores

__________ is the vascular tissue through which food that is made in the plant's leaves then travels to the plant's stems and roots.

• phloem

• cambium

• xylem

• hyphae

_________ is the vascular tissue that transports water and nutrients from the soil through the roots and then throughout the plant.

• phloem

• cambium

• xylem

• hyphae

A seed has three important parts _________, stored food, and a seed coat.

• embryo

• stigma

• ovary

• root cap

The young plant that develops from the ___________ (fertilized egg) is called the embryo.

• zygote

• DNA

• hyphae

• spore

In some plants, food is stored inside one or two seed leaves called __________.

• stimga

• anthers

• cotyledons

• xylem

The tough outer coating called the seed coat provides protection and keeps the food and embryo from drying out.

• true

• false

The seed coat allows a seed to remain ________(inactive) for a long time until conditions are favorable for growth.

• germinated

• resting

• dormant

• transpired

Seeds can be dispersed by animals, _________, or by wind.

• sunlight

• atmosphere

• oxone

• water