D) the expiraments cannot last billions of years as it did earlier on
Answer:
Darwin's Theory of Evolution by Natural Selection: Individual variation: there are variations among individuals within species. ... Individuals vary in their ability to survive and reproduce. Those with the most favorable traits will survive longer and have more offspring.
Explanation:
Answer: old bones of animals/mammals that’s are extinct
Explanation: plz give brainlest
Answer:
Explanation:
Echinoderms are marine organisms which means they live in the ocean. They are found in all marine waters on Earth although there are few species living in the Arctic. Many echinoderms are visible on the seashore such as sand dollars, globular spiny sea urchins and asteroids.
Answer:
True
Explanation:
Meiosis can be described as a type of cell division in which four daughter cells are produced. The number of chromosomes in each of the daughter cells formed is half the number of chromosomes of the parent.
During this type of cell division, the processes of homologous recombination and crossing over occur. During crossing over, segments of DNA are exchanged between the homologous chromosomes due to which genetic diversity occurs.