& Answers 100% Correct!!
Five mains groups of pests. - ANSWER 1. Insects
2. Snails and slugs
3. Vertebrates
4. Plant disease agents
5. Weeds
Pest - ANSWER living things that compete with human beings for food, fiber, and space or attach
humans directly
Hosts - ANSWER living plants or animals some pests depend on for survival
Name two identifying characteristics common to all adult insects - ANSWER Six jointed legs
Three body regions
Two characteristics which aid in distinguishing one insect from another - ANSWER Wings
Mouthparts
Explain the differences between the basic life cycles of insects - ANSWER Some change only in size as
they develop
Some change form slightly
Some change completely in form and size
Gradual Life Cycle - ANSWER Eggs - Nymph - Adult
Also referred to "Simple"
Complete Life Cycle - ANSWER Egg - Larva - Pupa - Adult
, Three characteristics of mites, ticks and spiders - ANSWER Eight jointed legs
Two body regions
Lack wings
List four types of vertebrate animals that can be pests - ANSWER Fish
Reptiles
Amphibians
Birds
List types of living organisms that cause plant diseases - ANSWER Fungi
Bacteria
Viruses
Nematodes
List three main ways a plant responds to infection by a plant disease agent - ANSWER
Overdevelopment of tissue
Underdevelopment of tissue
Death of tissue
Define weeds - ANSWER Weeds are plants growing where thay are not wanted or in a way that is not
desireable
Characteristics of herbaceous grasses - ANSWER One leaf as the emerge
Leaves narrow and upright; veins parallel
Fibrous root system
Growing point sheathed and under soil surface
Growing point gradually moves above soil as plant matures
Chracteristics of herbaceous broadleaves - ANSWER Two leaves as they emerge
Leaves broad with net-like veins
Exposed growing points at end of each stem
Perennial broadleaved plant may have growing points on roots and stems below soil