Suppose a food company is building a new storage facility. It will employ an architect to design the building and appoint a project manager to oversee the construction. The project manager will employ contractors who might also use subcontractors to build the facility. The contractors will need panels produced by a panel manufacturer who in turn will need material to produce the panels.

21. What types of fertilization occur in arthropods? What is the predominant type?

22. How does fertilization take place among insects (external or internal)?Do insects engage in copulation?

23. How are the main classes of arthropods classified according to the presence of a larval stage duringtheir embryonic development?

24. What are nymphs and imago?

25. Does biological activity take place during the cocoon stage of an insect larva?

26. How are the three main classes of arthropods characterized according to the presence of wings?

27. Most insects have wings. Which other animal phylum contains creatures with similar organs?

28. How are the three main classes of arthropods characterized according to the presence of antennae?

29. How are the three main classes of arthropods characterized according to body division?

30. How are the three main classes of arthropods characterized according to their number of limbs?