Chapter 8 Vocabulary Review WS# 45

What is the tiny opening called through which oxygen enters leaves?

• stoma

• pore

• trachea

• alveolus

What is a vein in a leaf that carries food and water to other parts of the plant.

• vascular bundle

• xylem vessel

• phloem vessel

• leaf vein

What is the green tissue in the middle layer of a leaf is called?

• mesophyll

• epidermis

• xylem

• phloem

A living thing that can make its own food is called what?

• autotroph

• heterotroph

• detritivore

• saprotroph

Light and other forms of energy from the sun are forms of what?

• electromagnetic radiation

• thermal energy

• sound waves

• nuclear energy

What is the smallest unit of light and has the properties of a particle?

• photon

• electron

• neutron

• proton

Pigments in leaves retain and do what with light energy?

• absorb

• reflect

• transmit

• convert

What is the distance between repeating units of a wave pattern?

• wavelengths

• amplitudes

• frequency

• speed

What is the range of wavelengths of electromagnetic radiation?

• electromagnetic spectrum

• prism

• rainbow

• chroma

What are any yellow, orange or red pigment found in plants and animals?

• carotenoids

• chlorophylls

• anthocyanins

• xanthophylls