Using your knowledge of the evidence of evolution, explain how we know whales have evolved four-legged land animals. Use at LEAST 3 of the following words (correctly) in your fossils, translational fossils, embryology, homologous structures, vestigial structures

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.

69 is the correct math for the amino acids

the principle of segregation describes how pairs of gene variants are separated into reproductive cells. from his data, mendel formulated the principle of segregation. we now know that the segregation of genes occurs during meiosis in eukaryotes, which is a process that produces reproductive cells called gametes.