Darwin used Multiple lines of evidence to support the theory of evolution by natural selection they are fossil evidence, biographical evidence and anatomical evidence.
Explanation:
The Multiple types of evidences supports the theory of evolution. The homologous structures provides the evidence for common ancestry and the analogous structures describes that similar selective pressures can produce similar adaptions.
Evolution by natural selection is one of the good method in theory of history of science and it is supported by evidence from wide variety of scientific disciplines.
The comparative sequence analysis method is used to examine the relationship between the DNA sequences of different species. This evolutionary relationships are used in the study of diseases like HIV.
Simple cuboid epithelium found in glandular kidney tubules. This is observed in the lining of the kidney tubules and ducts of glans. Nucleus of tall column like cells trend to be elongated and found in the basal end of the cells.
It is composed of single layer that is relatively ,larger surface area, which is allow them to absorption and secretion of substances like water and salt from the kidney and hormones which are produced by the glands.
Simple epithelium tissues are specialized for diffusion and absorption. This is also found in lining the cavities of body such as pericardial , peritoneal and pleurae.
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Answer:
geographical isolation
Explanation:
Reproductive isolation is a process of evolution that ensures that members of different species are incapable of mating and when they do, such mating do not result into any offspring or leads to the production of invalid offspring.
There are two mechanisms of reproductive isolation:
- Pre-zygotic mechanisms prevents fertilization between two different species and these include habitat isolation, mating seasons, mechanical isolation, gamete isolation, geographical isolation and behavioral isolation.
- Post-zygotic isolation prevents the products of fertilization from becoming valid and this include hybrid inviability, hybrid sterility and hybrid breakdown.
<em>Geographical isolation involves the existence of geographical barriers between two populations such that there cannot be mating between the two. The two populations eventually evolve to become different species.</em>
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Muscle spasms<span>Hypocalcemia can cause
emotional disturbances
depression of the nervous system
muscle weakness
sluggish reflexes
muscle spasms</span>
Therefore they are consider matter. Remember anything with a mass is matter.
