Which property is true of living things?
A. They are stable over time.
B. They are stable over many generations.
C. They use protein as their hereditary material.
D. They must obtain all organic molecules of life from external sources.
E. They require water.
Answer: E
You might also like to view...
Become an increasing problem as habitat size shrinks.
A. hotspot B. habitat loss C. edge effects D. megafaunal extinction E. extinction vortex
Which of the following statements about endosymbiosis is FALSE?
a. endosymbiosis has taken place many times among true, multicellular animals b. genes from organelles that originated through endosymbiosis are largely transferred to the host cell nucleus c. The genes that code for ribosomes in mitochondria and chloroplasts are more like those in prokaryotes than in eukaryotes d. mitochondria and chloroplasts divide on their own through binary fission e. endoysymbiosis occurred many times in unicellular animals
Which is NOT a correct step in the hormone regulation of blood pressure and reabsorption?
Select one: a. When blood volume and pressure are low, the juxtaglomerular apparatus secretes renin. b. When blood pressure is high, the heart atria secrete ANH. c. High blood pressure causes the kidneys to secrete aldosterone. d. Renin leads to production of angiotensin I and II and eventual reabsorption of sodium ions and water. e. If you drink more water, the pituitary reduces ADH and more water and urine are excreted.
A community is composed of
A) potentially interacting populations of different kinds of organisms. B) one species of organism living in a specific environment on Earth. C) living organisms and their nonliving environment. D) the factors that constitute an organism's niche.