Answer:
Anatomical there are similarities among many organisms. Homologous structures found in different species that are anatomically similar because they have been inherited from a common ancestor.
Explanation:
Brainliest please?
Answer:
The Y chromosome do not go through crossover
Explanation:
Typically, genes from the mother and father are shuffled -- or, "cross over" -- to produce a genetic combination unique to each offspring. But the Y chromosome does not undergo crossing over, and, as a result, its genes tend to degenerate, while repetitive DNA sequences accumulate. Each chromosome is made up of DNA.
Answer: From their food.
Explanation: They convert the food they eat into energy which helps them generate heat.
