PSS FINAL EXAM 1 LATEST 2025 WITH CORRECT QUESTIONS AND DETAILED ANSWERS/ALREADY GRADED A+

PSS FINAL EXAM 1 LATEST 2025 WITH CORRECT
QUESTIONS AND DETAILED ANSWERS/ALREADY
GRADED 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



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