How are the muscle attachments optimized in animals evolved for movement through the soil?
a. The attachments produce levers that move relatively rapidly.
b. The attachments produce levers that need to apply large forces for movement.
c. The attachments produce levers that move relatively slowly, but need to apply only small forces for
movement.
d. The attachments produce levers that move rapidly, but need to apply only small forces for movement.
e. The attachments produce levers that swing freely.
ANSWER: c
You might also like to view...
An opening at one end of the gastrointestinal tract that functions in mechanical digestion and the breakdown of carbohydrates by secreting amylase.
A) Large intestine B) Stomach C) Esophageal cancer D) Appendix E) Mouth F) Salivary glands G) Rectum H) Cirrhosis I) Gallbladder J) Small intestine
________ bind two or more ions or molecules and transport them in opposite directions across a membrane.
A. Uniporters B. Symporters C. Antiporters D. Dual transporters E. Channel pumps
In this drawing of the insect body plan, which structure, A, B, C, or D, is the ovary?
1.A
2.B
3.C
4.D
Habitats with the most species in greatest
danger of extinction are called a. ecoregions. b. indicator species. c. riparian zones. d. hot spots. e. conservation islands