Answer:
1. chondrichthyan
2 lateral line system
3. lobe fins
4 operculum
5 ray finned fish
6 swim bladder
Explanation:
A fish with a flexible cartilage skeleton is defined as a chondrichthyan
A lateral line system is a column of organs that are sensitive to small change in water pressure
Fish with strong pectoral and pelvic fins with rod-shaped bones are known as lobe fins
The operculum movement helps certain fish to breathe without swimming.
A fish with a bony skeleton and long, flexible fins is defined as ray-finned fish
A swim bladder is the gas-filled bag used in several fishes.
Answer:
According to cell theory, all multicellular organisms are composed of prokaryotic cells. only cells like the eukaryote can carry out the functions of life. single celled organisms like these are only capable of asexual reproduction. even primitive cells, like the prokaryote, can carry out the functions of life..
Explanation:
C) matter is changed into various forms but the total quantity remains unchanged.
Answer:
The brain and the spinal cord
Explanation:
The brain controls everything and sends messages down the spinal cord
