1. The daily intake of nutritional requirements increases according to the following factors: AGE, PREGNANCY, GENDER, and
is caused primarily by iron deficiency and manifested by acute symptoms.
3.
can be defined as the subjective evaluation of one's body and
appearance that comprise thoughts, feelings, and perceptions related to the
body's appearance.
4. Growth of pubic and body hair occurs during
5. Adolescence is a period of rapid physical
with corresponding increase
needs in nutritional requirements to support the increase in body mass and to build
up stores of nutrients.​

the author motivation is to show the power of animal-human relationships.

depends on your school

when i was in high school i took ap biology my senior year and it was the hardest one for me because my teacher finished the material within the first month of school and then went on to doing advanced college level it was horrible. but at a nearby school ap biology was one of the easier aps. also, it depends on what you are interested i like math a lot so ap calculus was easier for me than most but i hate history so ap us government was harder for me than most.

mood contributes to how it makes you feel when you read it