Which of the following is not a fungus?
a. the photosynthetic part of a lichen
b. penicillium mold
c. mycorrhizae
d. the organism that causes athlete's foot baker's yeast

The correct answer is a. the photosynthetic part of a lichen.

Explanation:

Lichen is a symbiotic association in which the algae and fungi are associated with each other. Fungus can not make there own food so they are not photosynthetic like algae or plants and in lichens algae are the photosynthetic part while fungus plays the role of absorbing nutrients for the algal partner.

Lichens are found all over the world and they absorb industrial pollution very quickly so are also referred to as pollution indicators of the environment as they do not grow in a polluted area.  

Therefore the photosynthetic part of lichen is algae, not fungus so the correct answer is a.

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.

the answer is :