Answer: Response to the environment.
Explanation:
Living organisms respond to their environment, and this <u>response to stimuli is an important characteristic of life, because it helps the organism to stay in balance</u>. Anything that causes a living organism to react is called a stimulus, which can be external or internal.
The effectors produce an appropriate response to the stimulus in order to maintain homeostasis within the organism.
Ultraviolet light can damage the DNA in cells, causing mutations. So, once the skin is exposed to sunlight, the organism tries to cover all the cells with melanin, which block UV rays.
Answer:
The correct answer is - d. Hormones interact with any cells in contact with the bloodstream.
Explanation:
Hormones are nothing but chemical substances that affect the activity of the target site or cells that are specific to the cells. Target sites are present in various parts of the body.
Hormones act as messengers that perform controlling and coordinating activities throughout the body. Hormones interact with their specific receptors present on the surface or in the target site.
B Carbón dioxide
Not sure
Answer:
Prophase
Explain:
The first step in mitosis, the nuclear envelope breaks down and chromosomes condense and become visible.
