Why Are There So Many Species of Insects?

1. Kingdom Animalia contains about _____% of recorded species                     

2. _____ traits contribute to insect success

_____3. _____, specialized appendages

_____4. Hard _____ which _____ to allow growth

_____5. Sensory _____, eyes

6. The smaller insects are... the _____

7. Negative relationship between size and _____

8. Shorter generation leads to: lower age of first _____ and faster _____

9. Incomplete/_____: egg > _____ > adult

10. Complete: egg > _____ > _____ > adult

11.  _____% shows pattern of metamorphosis

12. Name an animal with wings that allows it to utilize different niches at different life stages.

13. Insects were first land animals to evolve _____

14. How is it possible for wings to LOWER speciation?

15. Insect mouthparts include _____ pairs of modified jointed appendages

16. _____ different type of mouthparts

17. Insect radiation began about _____ my before _____

18. Milkweeds = _____; Longhorn beetles = _____

19. Larvae eat _____; adults eat _____ and _____

20. N/A

21. As a result, beetles became _____

22. _____-_____ speciation events of the items discussed above

23. Thrips range from _____ (cm/mm) to _____ (cm/mm)

24. Due to small size, they are _____

25. But given limits of cell size, a _____ size must be necessary

26. What has enabled to be such a large amount of beetles?

27. Insects appeared _____ mya

ANSWERS:

1. 70%
2. arthropod
3. jointed
4. exoskeleton; molts
5. antennae
6. more abundant
7. diversity
8. reproduction; evolution
9. gradual; nymph
10. larva; pupa
11. 85%
12. mosquito
13. wings
14. dispersal everywhere decreases chances of speciation eg: allopatry
15. 3
16. 34
17. 100; angiosperms
18. asclepias, tetraopes
19. roots; foliage and flowers
20.
21. toxic and advertise their noxiousness
22. 10-13
23. .5 mm; 3.0 mm
24. undercounted
25. minimum
26. hard casing on wings, etc.
27. 390