selective breeding has changed organisms over time by paring that organism up with another organism of its kind with desirable traits. take dogs for example, through selective breeding we now have many different types of dogs with different abilities. i hope this helps
Scientific ideas change over time as new
evidence is discovered
Answer:
The answer is: a. Climacteric
Explanation:
Climacteric is the time in the midlife of a woman that starts with the diminution in ovarian activity (less production of estrogen and progesterone) until the end of ovarian function. It is the compilation of gradual changes of ovarian function that happen before the menopause (cessation of menses) and continue for a while.
The phases of the climacteric are pre-menopause, menopause and post-menopause. During the pre-menopause, hormonal changes will take place, there is a decrease in estrogen and progesterone production.
The activation energy stands as a sort of a barrier between reactants and products and is shown by the letter E.
<h3>What is activation energy?</h3>
The activation energy is the energy that must be supplied in order for a reaction to proceed forward.
The activation energy stands as a sort of a barrier between reactants and products and is shown by the letter E in a diagram of an enzyme controlled reaction.
Enzymes tend to decrease the activation energy by providing an alternative path for the reaction.
Learn more about activation energy:brainly.com/question/11334504
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