A single tapeworm may produce thousands of eggs (over 50,000!). What organs are responsible for these large reproduction numbers?

Is the stage when an insect larva is within a cocoon a stage of total biological inactivity?

Why are parasitic worm infections so difficult to treat?

Sponges are also found in freshwater, though not as numerous as the marine varieties. One example of this group is Spongilla, which can grow in many different morphs. Spongilla and other freshwater sponges have developed specialized reproductive cells known as gemmules, allowing them to survive harsh environmental conditions.   Why are most Spongilla green?

Diplomonads have neither mitochondria nor hydrogenosomes. All ATP is produced in their cytoplasm. What energy-releasing pathways might they use to make ATP?

With respect to nematode reproduction and reproductive structures, which of the following statements are true? (multiple answers) a) parasitic species have smaller eggs than free-living nematodes b) nematodes have amoeboid sperm c) parasites produce more eggs/day/female worm than free-living species d) ovoviviparous species produce eggs that hatch within the uterus, such that larvae are released from females Cuhmit Cuiz

The male copulatory organ of turbellarians is called a

The osculum of a sponge is entirely blocked by a fungal infection.  Predict what will happen. A)The flow of water out of the sponge will decrease. B)Water will be unable to enter the sponge. C)Choanocytes will no longer be able to function. D)Digestion will be prevented from occurring.

Describe the life cycle of the parasitic wasp featured. What is its host? What is so crazy amazing about how it uses its host?

Platyhelmenthes (flat worms) These creatures have unique regeneration properties. What does that mean? We looked at a few parasitic examples of this group. Be able to identify the life cycle of one or more of these individuals. What is a primary host? A secondary host? Distinguish between turbellaria, trematode and cestoda