The late marriage trend in developed countries have affected the late acting lethal alleles in a population because it causes diseased carrying genes in offspring.
Explanation:
The trend of getting married at a late age and starting family after that has been seen in many developed countries especially USA. However, it has a negative impact on the dominant alleles in the population. Marrying at a late age causes genetic disorders or diseases in offspring of humans.
It also causes the chances of having less number of babies. Older parents are more prone to having Huntington’s disease which causes people to have less children.
Answer:
1. obtain food from non-living organic material (saprophyte)
2. mutually positive arrangement between species (symbiosis)
3. response to a chemical
(chemotaxis)
4. response to light (phototaxis)
5. member of phylum Foraminifera (radiolarian)
6. organism's response to a stimulus (taxis)
7. cell with membrane-bound structures (eukaryote)
8. organism in which a parasite is growing (host)
9. sexual reproduction in some protozoans (conjugation)
Explanation:
The items duely matched to its meaning above.
All the matches corresponds with each other, with small explaination of what each does.
Answer:
your nerves will control when brain signals
Explanation:
Sorry If I'm wrong, but I'm pretty sure it's D.
Primary succession is one of two types of biological and ecological succession of plant life, occurring in an environment in which new substrate devoid of vegetation and usually lacking soil, such as a lava flow or area left from retreated glacier, is deposited. In other words, it is the gradual growth of an ecosystem over a longer period.