<h2>A) option is correct </h2>
Explanation:
According to biological species concept, a species is a group of organisms that can potentially interbreed or mate with one another to produce viable fertile offspring
In some cases, organisms of different species can mate and produce healthy offspring, but the offspring are infertile, can’t reproduce
For example, when a female horse and a male donkey mate, they produce hybrid offspring called mules
The biological species concept connects the idea of a species to the process of evolution because members of a species can interbreed, the species as a whole has a common gene pool, a collection of gene variants
<span>The blood flows through hepatic portal vein traveling to the liver, then makes it another artery which is posterior vena cava making it to the heart. It makes itself afterward to the pulmonary artery where it reaches the lungs, going back to the heart via the pulmonary vein. Eventually, it goes to the kidney through different parts such as the aortic arch, dorsal aorta and the renal artery.</span>
Emergent Properties at the Tissue Level. In multicellular organisms, cells are arranged into tissues or groups of similar cells that work together to perform a particular function. For example, a single epithelial cell cannot form a protective layer.
Answer:
Saturn. Saturn's rings are the most extensive ring system of any planet in the Solar System, and thus have been known to exist for quite some time. Galileo Galilei first observed them in 1610, but they were not accurately described as a disk around Saturn until Christiaan Huygens did so in 1655.
Explanation:
That's right, Venus (and the planet Mercury) are the only two planets that don't have a single natural moon orbiting them. Figuring out why is one question keeping astronomers busy as they study the Solar System.