Which of the following is most-evolved?

3 Activities

Wize University Biology Textbook > Invertebrates (Part 1: Non-Molting)

3 Activities

Wize University Biology Textbook > Invertebrates (Part 2: Molting)

2 Activities

What are the following features and in what taxa can you find them?
1. Spicules: what are they?
2. Spicules: what taxon?

The circulatory system of an earthworm is described as what?

Which of the following has radial symmetry?	

What is the body symmetry of annelids?	

 Which of the following is most-evolved?

Earthworms have . . .

Which of the following is not a characteristic of earthworms?	

Which of the following is not a feature of Annelids?

Which of the following groups of organisms are not Flatworms (Platyhelminthes)?

I have a true coelom, a mantle, hinged shell and siphons. what am I?

Match the structure to the taxa in part 1  and to the definition in part 2.

What is the largest animal phyla?
What is the second largest animal phyla?

What is the only extant shelled cephalopod?

Match the structure to the taxa in part 1  and to the definition in part 2.

I have a true coelom, a mantle, hinged shell and siphons. what am I?

Which of the following is not a feature of Bivalves?	

Which of the following clade-animal pairs is incorrect?	

Which of the following functions is incorrectly matched to their structure	

 Which of the following is most-evolved?

What is a function of the mantle in Molluscs?	

Which of the following groups has a closed circulatory system?

What is a distinguishing feature of Bivalves compared to other Molluscs?

What organ of Molluscs secretes the shell?

 Which of the following is most-evolved?

Which of the following do nematodes lack?	