A key contribution to Darwin's thinking was the concept of limits put on the geometric growth of populations by nature, originally proposed by:
A. Charles Lyell.
B. Karl Popper.
C. Russel Wallace.
D. Thomas Malthus.
E. Peter Raven.
D. Thomas Malthus.
You might also like to view...
The microorganism Cryptosporidium parvum is a
A) fungus. B) bacterium. C) protozoan. D) virus.
Phenotype is ____
a. only expressed in a heterozygous organism b. an observable property or expression of a trait in an organism c. the specific genetic constitution of an organism
d. the variation of genes e. cannot be determined by knowing genotype
Albumin proteins in human blood function
A) to initiate blood clotting. B) to transport oxygen to target cells. C) to maintain blood volume. D) as electrolytes. E) to attack foreign organisms that enter the blood.
While working in a soil-testing laboratory, you are given a sample of a "typical" soil to analyze. Which
of the following do you correctly conclude is present in the largest amount? a. water b. inorganic mineral particles c. rocks d. air e. organic material