Metalliods because they have both characteristics of metals and non metals
Answer:
B) genetic variation needed for a population to evolve
Explanation:
Mutations are important because they bring about the genetic variation needed for a population to evolve.
- Mutation brings about changes in the DNA sequence of an organism.
- Most times, mutation results when an organism tries to adapt and evolve to unfavorable conditions.
- Mutation can originate from mistakes in DNA sequencing.
- It can also be due to environmental influences.
The structures that provides the muscle cells in the heart with a constant supply of oxygen is C . coronary
The walls of veins have the same three layers as the arteries. Although all the layers are present, there is less smooth muscle and connective tissue. This makes the walls of veins thinner than those of arteries, which is related to the fact that blood in the veins has less pressure than in the arteries. Hope this helps. Have a nice day.
Answer:
no
Explanation:
trees r hard and flowerss arent
trees make wood
flowers make
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