The number of connections among species
Sponges have specialized cells and an endoskeleton, but they lack tissues and body symmetry. ... They include jellyfish and corals, both of which have radial symmetry. All cnidarians have nematocysts, and many are bioluminescent. They may exist in medusa and/or polyp form.
Competition will increased because more organisms will be competing for resources
When a small populations' gene frequencies are changed drastically by chance alone it is called a genetic drift
1) D chromosomes
2) B a double helix
3)A chromosomes are made of DNA
4)A genes
