Answer:
Chromatin
Explanation:
Chromatin means<em> "chroma"</em> in Greek. It can be found in <em>eukaryotic cells</em> with <u>non-dividing nucleus</u>. They make up the<u> chromosomes of cells</u> during <em>cell division. </em>The fibers of chromatin consists of DNA<em> (deoxyribonucleic acid</em>) and proteins<em> (histones and non-histones)</em>.
It is said that chromatins got their name owing to their<em> bright colors when mixed with dye</em>. This was found by scientists who inspected it under a microscope.
Both biotic and abiotic factors are related to each other in an ecosystem, and if one factor is changed or removed, it can affect the entire ecosystem. Abiotic factors are especially important because they directly affect how organisms survive.
Answer:
Common ancestor.
Explanation:
The similar biochemical structure of cytochrome C in ground finches and in tree finches indicates that they are evolved from a common ancestor. The evolution of finches into ground finches and tree finches occurs due to their environmental conditions which compel them to adopt certain physical features and behaviour that helps them in obtaining food and survival in their environment.
The correct option is C.
The hypothalamus is an area of the brain which contain a number of nuclei which have varieties of functions. The hypothalamus link up the nervous system and the endocrine system through the pituitary gland in the brain. The hypothalamus is responsible for the secretion of orexin hormone, which regulates appetite, wakefulness and arousal. Hypothalamus is also responsible for monitoring the secretion of other appetite hormones.<span />
C. hypothesis. He is giving a possible answer to the question "why did the celery crisp when placed in water?"
