Which of the following statements about hominin evolution is correct?
As hominins have evolved- a. sexual dimorphism was significantly reduced
Hominins are described as any species of early humans which are more closely related to humans than chimpanzees, including modern humans themselves. An example of hominin species is - Australopithecus afarensis
Answer:
A)
Explanation:
The nucleus contains genetic information and acts as the control center of the cell. B) is also partially true but A) is the important part about the nucleus.
Answer:
When carbon dioxide dissolves in seawater, the water becomes more acidic and the ocean's pH (a measure of how acidic or basic the ocean is) drops. ... In fact, the shells of some animals are already dissolving in the more acidic seawater, and that's just one way that acidification may affect ocean life.
Change the wording a bit otherwise hoping ti helps
Answer:
c) Negri bodies are a diagnostic sign of Rabies virus infection.
Explanation:
Rabies is an infection caused by rabies virus which affects the neurons and causes inflammation of the brain. It is a deadly disease and many animals are carriers of this disease like dogs, cats, raccoons, wolf, bats, fox, etc.
It is diagnosed by the presence of Negri bodies in the cytoplasm of nerve cells. Negri bodies are inclusions that are round or oval shapes having a size between 0.25 to 27 μm. Negri bodies can be frequently diagnosed in Purkinje cells of the cerebellum and pyramidal cells of Ammon’s horn.
Apart from these cells, they can be found in various ganglia, neurons of the tongue and other organs. So the correct answer is c.
