Cacti in the deserts of southwestern North America and some euphorbs of the deserts of Africa, have barrel-shaped stems, short-lived leaves, and spines, yet these two types of plants are from different evolutionary lineages. This is an example of
A. selective breeding.
B. transitional forms.
C. homologous traits.
D. convergent evolution.
E. concave evolution.
D. convergent evolution.
Biology & Microbiology
You might also like to view...
The majority of cases of human plague in the United States occur in the northeastern states
Indicate whether the statement is true or false.
Biology & Microbiology
The cytoskeleton is involved in which of the following cellular responses?
A. phagocytosis B. Toll-like receptor binding C. extravasation D. phagocytosis and extravasation
Biology & Microbiology
Fungal infections are called
A) mycoses. B) dimorphic. C) coencytic. D) sporgangia. E) basidium.
Biology & Microbiology
Base pairs in DNA are held together by ________ bonds.
A. polar covalent B. hydrogen C. peptide D. sulfhydryl E. nonpolar covalent
Biology & Microbiology