Which of the following lineages of Cnidarians have both polyp and medusa stages in their life cycles—with the polyp stage typically forming a colony—and includes species of Obelia?
a. Anthozoa
b. Trematoda
c. Hydrozoa
d. Cubozoa
Ans: c. Hydrozoa
Biology & Microbiology
You might also like to view...
Match the essential nutrient category with the probable effects a deficiency might cause.
1. Muscle loss, weakened immune system. 2. Hair loss, dry skin. 3. Muscle weakness, weight loss. a. Fats b. Carbohydrates c. Proteins
Biology & Microbiology
Describe 3 anatomical features that distinguish a bivalve from the phylum Mollusca from a brachiopod
What will be an ideal response?
Biology & Microbiology
____ tissue contains glands
a. Connective b. Muscular c. Epithelial d. Neural e. Adipose
Biology & Microbiology
Mendellan Genetics
What will be an ideal response?
Biology & Microbiology