GEOLOGY

Detailed explanation-1: -Humans rely on these water fleas to maintain ecological balance, filter healthy waterways and act as a food source for amphibians, insects and fish.

Detailed explanation-2: -The water flea is microscopic in size, typically measuring only about 0.2 to 3.0 millimetres (0.01 to 0.12 inch) long. It has a discrete head bearing antennae and a bivalve carapace that encloses all or most of the trunk and abdomen.

Detailed explanation-3: -Daphnia is a keystone species in both ponds and lakes. They are typically the principal grazers of algae, bacteria, protozoa, and the primary forage of fish. Because of their pivotal position in food webs, they are widely utilized as an indicator species to assess the response of ecosystems to environmental change.

Detailed explanation-4: -Daphnia, or water fleas are small crustaceans between 0.2 and 5 mm in length. They are native to various aquatic environments.