<span>Provides hard surface for mastication and speech
Facilitates aesthetics of a smile</span>
Answer:
Mammoth
Explanation:
These were relatives of today's elephants that lived during the last ice age and many of them died when the weather became warmer and their food supply changed
<span>Although it is not mentioned the location, I found the exercise on the internet with the following options:
A)weathering and erosion of park pathways
B)deterioration of the man-made structures in the park
C)pattern and timing of leaf loss in the shade trees
D)exposure of rocks and minerals found in the soil
The only effect, out of this options, that would be studied by biologists is the "pattern and timing of leaf loss in the shade trees". This is the only effect related to life, which is the subject of biology - living organisms and their mechanisms. Leaf loss is a process undergone by many trees as colder seasons, or dry seasons in the case of trees in tropical forests, approach.</span>
The genotype for the father since he is dominant would be SS. For the mother (since she is only a carrier) would be As.
Answer:
Option A, option B. Option A and B are specific to retroviruses, although option c and d are also true, they are not specific only to retroviruses.
Explanation:
Retrovirus is a type of virus that uses RNA as its genetic material. After infecting a cell, a retrovirus uses an enzyme called reverse transcriptase to convert its RNA into DNA. The retrovirus then integrates its viral DNA into the DNA of the host cell, which allows the retrovirus to replicate.