Answer: B: Mutation increase variety in a population.
Explanation:Mutations are changes to an organism's DNA and are an important driver of diversity in populations. Species evolve because of the accumulation of mutations that occur over time. This mutation has introduce a new allele into the population that increases genetic variation and may be passed on to the next generation.
Alfred Wegner intitally theorized that the continents may have been joined at once, because their landforms were similar and almost fit as puzzle pieces. As well as finding the same fossils.
Answer:
B
Explanation:
When the sun shines evenly on Earth, both hemispheres are experiencing either fall or spring.
Earth orbits the Sun counterclockwise and in position A the southern hemisphere is experiencing summer, so if the options are in order, the southern hemisphere is experiencing spring in position B.
... I didn't see the picture when I wrote this answer, I still got it right though!
It is important because sometimes ur dna needs to multiply
Answer:
The more calories a food has, the more energy it can provide to your body. When you eat more calories than you need, your body stores the extra calories as body fat.
Dietary fats are essential to give your body energy and to support cell growth. They also help protect your organs and help keep your body warm. Fats help your body absorb some nutrients and produce important hormones, too.
Carbohydrates are your body's main source of energy: They help fuel your brain, kidneys, heart muscles, and central nervous system. For instance, fiber is a carbohydrate that aids in digestion, helps you feel full, and keeps blood cholesterol levels in check.
The structure and function of our bodies depend on proteins. The regulation of the body's cells, tissues, and organs cannot happen without them. Muscles, skin, bones, and other parts of the human body contain significant amounts of protein, including enzymes, hormones, and antibodies.
Explanation: