PSS FINAL EXAM Questions and
Answers (Rated A+
Characteristics of Arthropods - correct answer ✅bilaterally symmetrical, joint
appendages, they molt, exoskeleton, segmented body, open circulatory system,
brain is ganglia
Five Subphylums - correct answer ✅Hexapoda (butterflies), Chelicerata
(Scorpions or spiders), Myriapoda ( Millipedes), Trilobites (extinct), and crustacea
(shrimp)
Insect products used by humans - correct answer ✅Silk from silk worms, food
like almonds, made from chitin, red dye, and honey
4 ecological processes that require insects - correct answer ✅pollination, soil
mixing, soil formation, and recycling plant/animal material
7 level classification of binomial nomenclature - correct answer ✅Kingdom,
phylum, class, order, family, genus, species
Approximate number of plants - correct answer ✅310, 000
Approximate number of vertebrates - correct answer ✅62,000
Approximate number of invertebrates - correct answer ✅1.4 million
How many insects described? - correct answer ✅1 million insects described
, PSS FINAL EXAM Questions and
Answers (Rated A+
Generalized Insect Body - correct answer ✅Head, Thorax (prothorax,
mesothorax, metathorax), and abdomen
-1 pair of legs attached to each segment of thorax
-1 pair of wings attached to the mess and metathorax
Paurometabolous metamorphosis - correct answer ✅gradual...egg>nymph>adult
-immature differs from adult
Hemimetabolous metamorphosis - correct answer ✅Incomplete, immature and
adult differ considerably
Holometabolous metamorphosis - correct answer
✅complete...egg>larva>nymph>adult
Diapause - correct answer ✅The arrest of development to enhance survival of
insect generations
Instar - correct answer ✅developmental stage between molts until mature.
Molting - correct answer ✅The shedding of rigid exoskeleton to help insects
grow
Nymph - correct answer ✅Immature form in hemimetabolous development
Answers (Rated A+
Characteristics of Arthropods - correct answer ✅bilaterally symmetrical, joint
appendages, they molt, exoskeleton, segmented body, open circulatory system,
brain is ganglia
Five Subphylums - correct answer ✅Hexapoda (butterflies), Chelicerata
(Scorpions or spiders), Myriapoda ( Millipedes), Trilobites (extinct), and crustacea
(shrimp)
Insect products used by humans - correct answer ✅Silk from silk worms, food
like almonds, made from chitin, red dye, and honey
4 ecological processes that require insects - correct answer ✅pollination, soil
mixing, soil formation, and recycling plant/animal material
7 level classification of binomial nomenclature - correct answer ✅Kingdom,
phylum, class, order, family, genus, species
Approximate number of plants - correct answer ✅310, 000
Approximate number of vertebrates - correct answer ✅62,000
Approximate number of invertebrates - correct answer ✅1.4 million
How many insects described? - correct answer ✅1 million insects described
, PSS FINAL EXAM Questions and
Answers (Rated A+
Generalized Insect Body - correct answer ✅Head, Thorax (prothorax,
mesothorax, metathorax), and abdomen
-1 pair of legs attached to each segment of thorax
-1 pair of wings attached to the mess and metathorax
Paurometabolous metamorphosis - correct answer ✅gradual...egg>nymph>adult
-immature differs from adult
Hemimetabolous metamorphosis - correct answer ✅Incomplete, immature and
adult differ considerably
Holometabolous metamorphosis - correct answer
✅complete...egg>larva>nymph>adult
Diapause - correct answer ✅The arrest of development to enhance survival of
insect generations
Instar - correct answer ✅developmental stage between molts until mature.
Molting - correct answer ✅The shedding of rigid exoskeleton to help insects
grow
Nymph - correct answer ✅Immature form in hemimetabolous development
