Lichens are composed of a symbiosis of fungi and which of the following?

A) green algae
B) cyanobacteria
C) euglenoids
D) cyanobacteria or green algae
E) euglenoids or dinoflagellates


D
Bloom's Taxonomy: Knowledge
Section: Fungi
Learning Outcome: 12.20

Biology & Microbiology

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Salt is often used to melt ice on roads during the winter because it lowers the freezing/melting point of water. When salt dissolves in water, individual Na+ and Cl- ions break away from the salt lattice and become surrounded by water molecules. Why would this cause ice to melt?

A. Hydrogen bonds are broken, and the salt ions interfere with interactions between H and O. As a result, it is more difficult for water molecules to bond and form ice. B. Hydrogen bonds are formed, and the salt ions bond with O. As a result, it is more difficulty for water molecules to bond and form ice. C. Hydrogen bonds are broken, and the salt ions bond with O and H respectively. As a result, it is more difficult for water molecules to bond and form ice.

Biology & Microbiology

Which of the following groups can be distinguished

from other arthropods by its two pairs of antennae? a. insects b. millipedes c. chelicerates d. crustaceans e. trilobites

Biology & Microbiology

Phylogenetic trees are usually constructed using either a distance-based ________ approach, or a characteristic ________ approach. 

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

In a maple forest in the spring, the ground is often covered with young maple seedlings, which compete for light and nutrients. By fall, most of the seedlings have died, leaving only a few survivors

This is an example of ________ life history pattern. Fill in the blank(s) with correct word

Biology & Microbiology