Digestive wastes of the male Ascaris roundworm exit the body through the
a. anus.
b. cloaca.
c. mouth.
d. excretory pore.
b
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Bacteria growing at lower temperatures have more saturated fatty acids in their membranes.
Answer the following statement true (T) or false (F)
What is the primary function of the hindbrain in vertebrates?
A. temperature control B. integration of sensory data C. memory storage D. control of the heartbeat E. coordination of motor reflexes
The term for small invertebrates adapted to living in the spaces between sediment particles is: a. merofauna
b. macrofauna. c. microfauna. d. meiofauna.
If a scientist found very high concentrations of organic biomarkers deep inside a 3.9 billion year old meteorite, how would this effect the explanation of the origins of life on Earth?
A. This would prove the extraterrestrial origin of life. B. This would disprove the terrestrial origin of life. C. This would provide evidence for the extraterrestrial origin of life. D. This would provide evidence for the uniqueness of life on earth.