specifically in the food chain? first group of animals are mostly grass fed so, carnivores will have nothing to eat and will be hungry. and this leads to imbalance of food chain, which leads to death and extinction.
The first animals on Earth.
Sponges
no they can not because monkeys stay with their group and if they went with another group who knows what would happen
Protozoa. For example, the Amoeba and paramecium.
What were the first terrestrial animals?
Arthropods
Diploblastic animals usually develop from the blastula. They were initially grouped in the phylum Coelenterate. They were then removed and grouped in a different phyla when the differences were discovered.
The major croup that came before animals arrived on this planet would be the Dinosaur group these animals were first on the planet known to man.
exists in all animals.
Aristotle
a group of animals
The least diverse group of animals is Insects.