A natural habitat is an ecological or environmental area where a specific species lives. It is the place in nature that particular species calls home. To help picture what this means, think of a zoo.
Quick Answer. A mixture of vinegar and borax will kill most algae growing on bricks and concrete. Homeowners do not need harsh chemicals to get rid of these pesky growths.
Because algae is a plant, Algae killers will kill your plant first. There are a couple new products out that help stop algae from growing in the first place, but the cheapest & easiest way to stop algae is to block the light.