I think you just answered your question. They encourage adolescents to eat calcium-rich foods because it aids in bone formation, like you said.
Answer:
the ciliated epithelium tissue helps to collect the ovum why?
The statement that describes the difference between the 2 isotopes of nitrogen would be the last set.
Nitrogen-14 has 7 electrons, 7 protons, and 7 neutrons
Nitrogen-15 has 7 electrons, 7 protons, and 8 neutrons.
answer:
temperate forests undergrowth is less
tropical rain-forest undergrowth is very rare because of the poor penetration of sunlight on the forest floor.
steps
temperate:
Its wide leaves, large wild canopies and non seasonal vegetation.
trees are deciduous, which shed their leaves during the autumn.
forests have trees, shrubs and bushes mainly.
tropical :
tropical rain-forest undergrowth is very rare because of the poor penetration of sunlight on the forest floor.
also tropical rain forests remain moist always.
Almost no plants grow in this area due to this.
Due to lack of sunlight, things decay quickly here
brainly.com/question/11214203
Answer:
Evolution is a process that results in changes in the genetic content of a population over time. ... Microevolutionary processes are changes in allele frequencies in a population over time. Three main mechanisms cause allele frequency change: natural selection, genetic drift, and gene flow.