In a lab diagnosis, a pathologist observed a test sample from a tuberculosis patient under a high-power microscope. which type of bacteria is it if rod shaped structures were observed?

This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is

Which example describes a mutualistic relationship between organisms? young wasps prey on caterpillars. crabs eat the remains of dead fish. tapeworms feed on food in the intestines of cats ants protect a tree on which they feed.

The eruption of a nearby volcano causes a prairie ecosystem to receive a lot less sunlight. which of these is most likely effect on the ecosystem?