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zoology QUESTION 3 Insect wings operate by Oa. extending the wing in and out of

ID: 214040 • Letter: Z

Question

zoology

QUESTION 3 Insect wings operate by Oa. extending the wing in and out of the abdomen o b small thin muscles actually contracting within the wing membrane itself. o c muscles attached to the wing directly and muscles moving the wing by distorting the thoracic tergum O d. extending the wing in and out of the thorax e antagonistic muscles attached to the pectoral girdle contracting and relaxing simultaneous y QUESTION 4 The complex chewing apparatus in urchins is called QUESTION 5 Earthworms are beneficial to soil because they a further break down detritus b aerate soil c. mix the upper, richer layer of soil with the less rich lower levels of soil d None of the above are correct e All of the above are correct QUESTION The respiratory apparatus of a crayfish is a gills located under the carapace b ventral book lungs c a set of gills on the underside of the abdomen, the first pair of which are hardened in males d trachea that consist of a network of tubes throughout the body e a cluster of alveoli under the tail

Explanation / Answer

ANSWER 3
c. muscles attached to the wing directly and muscles moving the wing by distorting the thoracic tergum

ANSWER 4
Aristotle's Lantern

ANSWER 5
e. All of the above are correct

ANSWER 6
a. gills located under the carapace