Answer:
Cartlage
Explanation:
The bones will be formed from the centers of ossification, cartilage will gradually be replaced by bone. during this time, ossification of the spine continues.
<span>The frog population in the Amazon basin varied. Every 500 years there was a mutational change leading to speciation. In between the population remainedthe same with no observable changes. The pattern of macroevolution is that there is a change in species orientation and adaptation to change</span>
Here is the complete statement:
The black footed ferret specie can be saved by the ENDANGERED SPECIES ACT. The US FISH AND WILDLIFE SERVICES will manage the Act.
EXPLANATION:
An endangered specie refers to an animal or plant species, whose population has become very low and is in danger of becoming extinct in the nearest future. In the United States of America, such plants and animals are usually managed by the Us Fish and Wildlife services. This is a federal agency that is responsible for the management of different forms of wildlife, fish and natural habitats within the US.
The Endangered Specie Act is a US law that makes provisions for the management of both plants and species, which are deem to be on the verge of becoming extinct. The law makes provisions for the conservation of endangered living organisms and their natural habitats. The endangered specie Act prohibits the hunting or killing of endangered species; acting contrary to this law usually carry severe penalties.
In competition, males use feather color to warn potential rivals that they occupy a piece of territory.
Answer:
Mitochondrial DNA.
Explanation:
Mitochondria is known as the power house of the cell and one of the important organelle responsible for the production of energy. Mitochondria contains its own DNA.
To understand the maternal ancestor history, the mitochondria DNA must be studied. The mitochondria is solely obtained from the mother as the egg contains large amount of cytoplasm that contains mitochondria. The mitochondria can never be inherited from paternal origin as the sperm contains few amount of cytoplasm and mitochondria.
Thus, the answer is mitochondrial DNA.
