PRIMARY GROWTH
1) apical meristem
3) elongation
5) increases exposure to light
9) occurs in plants that live only one year
SECONDARY GROWTH
2) cork cambium
4) provides structural support
6) increases vascular flow
<span>7) growth in thickness
</span>10) lateral meristem
11) vascular cambium
BOTH
8) occurs in plants that live many years.
NEITHER
Skin cells are also called epithelial cells
Alternative energy sources are those that do not deplete natural resources and do not harm the environment.
Options A, B, and C are all fossil fuels, which we know can be depleted and harm the environment.
The only valid option here is D, Geothermal energy.
Geothermal energy is both renewable and environmentally friendly.
The greatest degree of genetic variation would be found in an offspring resulting from sexual reproduction.
<u>Explanation:</u>
Asexual reproduction produces very less variations. Asexual reproduction requires only one parent and thus the offspring would be very similar to the parent. The chance of variations in offspring is very less.
But the case of sexual reproduction is different. Sexual reproduction involved two parents and each parent contribute equal amount of genetic material to the progeny.
Some characters of the offspring will be like one or the other parent and some characters will be a combination of the characters of both parents
. Such a combination produces variant offspring.
