Answer:
Hard
Explanation:
it is hard because these are usually hard parts of an organism including shells, bones, teeth, woody trunk, stems, and branches.
The flu vaccine changes every year. The flu vaccine is based on a predicted strain that is anticipated to be the most infectious that year. Thats why people who sometimes get the vaccination still get the flu, they don't have the antibodies for the strain they were infected with. Strains for viral disease don't change very much and usually the vaccination for them cover them well.
The circulatory system - hemoglobin in the blood transports oxygen :)
What are the species that are labeled a to e?
Answer:
White petal color is a recessive trait.
Explanation:
Further explanation is posted as an attached file due to technical difficulties.
