Answer:
that one is hard because we did not see the vidoe
Explanation:
Answer:
Variation can be acted on by natural selection.
Explanation:
Variation are the difference that exist in the organism in terms of the body size and can be acted upon by natural selection.
Natural selection could act on the owl body size, favor the selection of owl with small body size especially when resources available are limited and can only sustain small number of individuals leading to availability of owl with small body size in such area and a gradual reduction in the number of owl with large body size.
The right option is; to develop family pedigrees and inform clients of possible options.
Genetic counselors are trained specialists and part of the health care system that determine possible risk factors of hereditary disorders in patients. They function by analyzing patient histories (pedigree), providing genetic testing and diagnosis, performing genetic risk calculations, counseling and educating patients and their families about potential health risks and available options.
Heterospory, highly reduced gametophytes, ovules, pollen, seeds are the five adaptations common to all seed plants that ensure their success in the adaptation to land. Three things: The gametophytes of seed plants are reduced and dependent upon the parent sporophyte which protects them (particularly in the case of the female gametophyte). Pollen is covered with sporopollenin which is resistant to physical factors in the environment. The structure of the seed protects the next generation sporophyte and allows it to remain dormant until conditions are right for germination, development and growth.