Answer:
B. Chromosomes
Explanation:
This process is required to produce egg and sperm cells.
The crayfish have its nerve cord on the ventral side rather than on the dorsal side. The ventral side is under the Crayfishes' exoskeleton, as opposed to the dorsal side where the exoskeleton is . If it is attacked it will be from the dorsal side and the nerve cord would be snapped easier. The function of the nerve cord is that if it gets attacked by a predator they will go for the top and it will still be able to move.
Answer:
d mitosis
Explanation:
In mitosis, cell division occurs, obtaining 2 daughter cells with the same genetic material in each of the cells that originated them. (same number of chromosomes as the stem cell)
A. The population continues to grow
Answer:
Phylum Chordata - Advanced
Includes: Tunicates, Lancelets, and Vertebrates (which include Fish, Amphibians, Reptiles, Birds and Mammals)
Explanation:
Correct me if I'm wrong