English ivy (Hedera helix) and wintercreeper (Euonymus fortunei) are not closely related, yet both have aerial rootlets that allow them to climb up and stick to bark on trees. What type of evolution is this?
A. Convergent.
B. Radial.
C. Analogous.
D. Bivalent.
E. Both analogous and convergent.
Answer: A
You might also like to view...
Sucrose moves into a cell against its concentration gradient at the same time that protons move into the cell along their concentration gradient. This is an example of ____.
a. symport b. passive diffusion c. antiport d. facilitated diffusion
e. active transportWhich one of the following best illustrates a density-dependent limiting factor?
A. A farmer uses insecticide to kill large numbers of insect pests. B. As the human population rises, more people will starve. C. In the spring of the year, many animals disperse to new locations. D. Plants usually have difficulty getting enough oxygen.
Defend this statement: Plants are just as capable of responding to their environment as are animals
What will be an ideal response?
Organisms with a cell wall cannot carry out
A. diffusion. B. osmosis. C. active transport. D. endocytosis. E. exocytosis.