Explanation:
Compact bone is dense and composed of osteons, while spongy bone is less dense and made up of trabeculae. Blood vessels and nerves enter the bone through the nutrient foramina to nourish and innervate bones.
Answer:
97%
Explanation:
PKU is caused by a recessive mutation, which means that affected individuals are homozygous and recessive (<em>tt</em>).
<u>The frequency of genotypes according to Hardy-Weinberg equilibrium is:</u>

where p is the frequency of the <em>T</em> allele and q is the frequency of the <em>t</em> allele.
Affected individuals are 1 in 4500, which means the frequency of <em>tt </em>genotype is 1/4500.
If the population is in Hardy-Weinberg equilibrium,

The sum of the allele frequencies adds up to 1, therefore:
p + q = 1
p= 1 - q
p= 1 - 0.015
p= 0.985
The frequency of the TT genotype (homozygous wild-type individuals) will be:

97% of the population will have the homozygous wild-type TT genotype.
Some animals eat veggies some eat meat, some eat both. There is also the fact that the larger the animal is the more it has to eat to get the same nutrients. Like how the lower you are on the food chain the less you have to eat but the higher you get the more you have to eat.
C. Bacteria
Bacteria can cause you to get sick or even catch disease's
Good luck! (: