Answer:
The correct answer is E) density-dependent regulation.
Explanation:
When the population growth rate is dependent on the density of a population then it comes under density-dependent regulation. Usually, when a population becomes denser the mortality rate becomes high in that population.
This regulation can occur due to factors like predation, disease, inter or intraspecies competition. So here when the density of the mosquitoes becomes high then purple martin flock to the area and specialize in them to gain nutrition which stabilizes the population of mosquitoes again.
Density-dependent regulation is more significant when the population density of a species increase. So the right answer is E.
Answer:
The correct answers would be maintain chromosome number through generations and cause genetic variations by recombination.
In Meiosis a cell divides into four daughter cells all of which have half the number of chromosomes present in a parent cell.
It helps in the formation of gametes in sexually reproducing organisms.
These gametes (one from father and one from mother) fuse together to form a zygote. It re-established the chromosomal number as that of the parent.
In absence of meiosis, the chromosomal number would have doubled after each generation.
In addition, the meiosis also increases the genetic variation among the population with the help of crossing over which occurs during the pachytene stage of prophase I.
During this event, genetic information is exchanged between the non-sister chromatids of the homologous chromosomes. It produces a new combinations of genes that are different from either parent.
I couldn't find a diagram but was able to find the terms erosion and deposition and using these terms, first there is erosion or the wearing away away of the rock in place be it pre-existing igneous, sedimentary or metamorphic rock, then transportation often to a delta or flood-plain or basin, and then deposition of sand silt and clay and then consolidation into rock and diagenesis which involves compaction and the removal of water.
<span>They convert sunlight into chemical energy.</span>
