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Select the organism(s) that belong to the class Bivalvia

Ascaris are hermaphrodites

Tapeworm have a simple digestive system 

The phylum where earthworms belong in?

The medicinal leech, once used to withdraw “unhealthy” blood from patients, produces ____________ to ensure blood flow from the host?

In mollusks, the folds of tissue that arise from the dorsal body wall and enclose a cavity surrounding the visceral mass are called the

The exoskeleton of arthropods is made up of starch and proteins

Which one of the following applies to the phylum Ctenophora?

Photorespiration results in ____.

The proteins associated with the light-dependent reactions of photosynthesis are located ____.