Flower Part 2-Plant structures

Two examples of defenses plants have to keep them from being eaten by animals are

• thorns and poisons
• xylem and phloem
• stamen and pistils
• leaves and roots

What part of the plant functions as the site of photosynthesis, transpiration, and respiration?

• stems
• roots
• flowers
• leaves

What part of the plant holds the leaves up to the light and also functions as food storage sites?

• stems
• roots
• flowers
• leaves

Vascular plants have tissues to transport food and water.  What tissue transports water in the plant?

• phloem
• xylem
• cambium
• stamen

What tissue in a plant transports food made in the leaves to other parts of the plant?

• phloem
• xylem
• cambium
• stamen

What part of the plant helps anchor the plant in the ground and absorbs water and nutrients from the soil?

• stems
• roots
• cambium
• leaves

The more surface area roots have, the more water and nutrients they can absorb.  What helps increase the surface area of roots?

• xylem
• phloem
• stigma
• root hairs

Seeds need to be spread out far from the parent plant.  Which of the following helps plants disperse their seeds?

• wind
• water
• animals
• all of these

What part of the seed protects the embryo from injury and keeps the embryo from drying out?

• cotyledon
• stamen
• seed coat
• ovary

What is the function of a flower in a plant?

• to absorb light energy for photosynthesis
• to do transpiration
• to make seeds for reproduction
• to absorb water and nutrients