Hydrozoa
(Science: zoology) The Acalephae; one of the classes of coelenterates, including the hydroidea, discophora, and siphonophora.
Origin: NL, fr. E. Hydra – gr. An animal.
Dictionary > Hydrozoa
You will also like...
A Balanced Diet – Minerals and Proteins
Proteins and minerals can be derived from various dietary sources. They are essential for the proper growth and developm..
Hormone Production
Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designe..
Lotic Communities & Algae
Lotic communities have conditions that are rather harsh for typical plants. Thus, the diversity of plant species in loti..
Roots
This study guide tackles plant roots in greater detail. It delves into the development of plant roots, the root structur..
Effect of Chemicals on Growth & Development in Organisms
Plants and animals need elements, such as nitrogen, phosphorus, potassium, and magnesium for proper growth and developme..
Indicator Species and Endangered Species
Certain species are capable of expressing characteristics indicative of the state of the ecosystem they occupy. They are..