There is 20 chromosomes in a adult wild mouse
A challenge to traditional (pre-1860) ideas about species came from embryology, when it was discovered that embryos of dissimilar organisms, such as sharks and humans, resemble each other. Embryology involves the study of the formation and the development of an embryo and the fetus. It is one type of evidence of evolution such that the embryos of many different kinds of animals, mammals, reptiles, birds, fish among others, are similar showing a common ancestry.
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Biodiversity, also called biological diversity, the variety of life found in a place on Earth or, often, the total variety of life on Earth. A common measure of this variety, called species richness, is the count of species in an area.
Answer: i dont get your question but i can answer something as the orchard is near a stream
Explanation: As artificial fertilizer is being used and the orchard is near a stream the artificial fertilizer used in the orchard will possibly enter the stream ,thereby contaminating the stream in various ways , as it is artificial it might contain chemicals which are harmful for marine life/ life under water, thus reducing the quality of the water in the stream
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