Answer:
because it sucks up water
Flatworms have no need for circulatory and respiratory systems because they are able to actively diffuse oxygen through their skin and their body layout is such that they do not need to transport oxygen in order for it to get to their cells.
Yoruba people are directly related to africans, they are mostly concentrated in Nigeria, Republic of Benin and Togo, africans countries. They are a very large population, reaching 40 million citizens, more than several countries in south america and europe, Yoruba people have existed since before IV century b.c, they even ha a powerful city named lle ife, cultural center of the population. After years, many Yoruba colonies were aslaved and taken to North, and south America, influencing their religions and music style, countries like Venezuela, Cuba, Dominican Republic, Brazil, and Panama even created religions that use Yoruba words, such as ifa (destiny), ochosi (health), olofin (jesuschrist) and others.
Because the pigments in objects absorb or reflect light, and the reflected light which we recognize as a specific color. Each person or animal could recognize that color as something completely different than another. Also, because color is only a reflection of light, what we recognize may not be an inherent property at all.
I hope this helps at least a little!
Answer:
inclusive fitness, parental investment, eugenics
Explanation:
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