guide: Chapter 1, 4,5,6,10 Questions
and Answers.
Pests - Answer Living things that compete with us for food, fiber, or space, or attack us
directly.
Insects - Answer Have six jointed legs, three body segments.
Wings and mouthparts - Answer Most important identifiers of insects.
Metamorphosis - Answer The change in shape, form, and size during a life cycle.
Nymph - Answer This hatches from an egg, looks like a tiny adult, and grows into a winged
adult.
4 stage metamorphosis - Answer Egg, larva, pupa, adult
Arachnids - Answer Eight jointed legs, two body regions, no wings
Snails and slugs - Answer Mollusks, feed on plant foliage.
Vertebrates - Answer Pests with Jointed backbone
Plant disease agent - Answer Any harmful condition that makes a plant different from a
normal plant in function or appearance.
Ex. of non living agents - Answer Nutrient deficiency, extreme temperatures, toxic chemical,
mechanical injury and to much/little water.
This is required for parasitic disease development - Answer Susceptible host, parasitic agent,
favorable environment for parasite.
Fungi - Answer Lack chlorophyll and spread through spores
Bacteria - Answer Single-celled plants