Answer: b
An inherited modification of structure or function that allows an organism to survive and reproduce in its environment.
Explanation:
Adaptation helps an organism to become better suited to survive and reproduce in its environment. It is change in an organism's structure or behavior.
Change in physical features of an organism is considered as structural adaptation. Example- fur in bear
Change in the way an organism does things to survive is called behavioral adaptation. Example- bird calls and migration from one place to another.
Adaptation is an essential feature that helps an organism to better servive in the environment. In case, an organism fails to adapt to changes in its environment, its immune system becomes weak and fails to work. This threatens its life and it becomes ill. This may also result in its death.
Answer:
Chromatin condensation begins during prophase (2) and chromosomes become visible. Chromosomes remain condensed throughout the various stages of mitosis (2-5). ... However, when eukaryotic cells are not dividing — a stage called interphase — the chromatin within their chromosomes is less tightly packed.
Explanation: Use this website its good for the question you asked or search up the question
https://www.nature.com/scitable/topicpage/chromosomes-14121320/
waves travel along the surface of Earth's crust. P waves travel through the Earth's interior.
Answer:
Darwin and Lamarck's theory is different but they were also very similar. Both of them thought that the organism changed, and they are very helpful for the organism to survive. These characteristics are also passed to their young generation.
Darwin theory state that an organism gets the helpful variation before the changes in the environment, Lamarck's theory said that organism gets variation after the change in the environment.
Lamarck's stated that giraffe got long neck when the food on the ground ran out. In order to get the food they stretch out their neck to get food. Darwin thought organism changed by chance, at the time when they are born and before the change in the environment.