Hour 1 Bivalve

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Hour 1 Bivalve by Mind Map: Hour 1 Bivalve

1. Reproduction/Life Cycle

1.1. Bivalves release their sperm and eggs into the water where fertilization takes place outside the body. The Embryo grows. It develops shell. And Then is full grown

2. Anatomy

2.1. -labial palps: food is sorted -anterior adductor muscle: open and closes shell -foot: used for movment -mantel: grows shell -gill: gets oxygen from water -incurrent siphon: brings in food -excurrent siphon: gets rid of waste -posterior adductor muscle: open and closes shell -hinge ligament: holds shell together

3. Senses/Response

3.1. Oysters, mussels, and Scallops have a mass of nerves called ganglia that acts as a brain and a nerve network.

3.2. Scallops have a series of eyes around the edge of their shells. The eyes detect nearby movement or the absence of light warning of predators.

3.3. The giant clam has a system of channels which branches out to all parts of its mantle, and the algae live in these channels.

4. Movement

4.1. Bivalves have a foot which they use to move. It is the strongest muscle of the body.

4.2. They can also Move by current to travel from region to region

5. Respiration

5.1. Bivalves breath with Gills and some use gills to filter feed

6. Circulation

6.1. Bivalves have an open circulatory system,

6.2. Clams can have a closed circulatory system

7. Feeding

7.1. All Bivalves are filter feeders.

7.2. The types of organisms they feed on are plankton, small animals, and algae.