The monthly cycle of changes in the female reproductive system is called the cycle.
a.
menstrual
c.
phase
b.
lunar
d.
fertilization
ANSWER IS A

The fertilized egg is also known as .
a.
egg
b.
ovary
c.
sperm
d.
zygote
ANSWER IS D

The hormone controls the development of male characteristics.
a.
aldosterone
c.
estrogen
b.
oxytocin
d.
testosterone
D

All phases of matter may have a fixed mass

Kara has a plant that produces either purple or white flowers. she crosses a plant that has two recessive alleles for white flowers with a plant that has two dominant alleles for purple flowers. which result would be true of all of the offspring? a) all of the offspring would have two recessive alleles and white flowers. b) all of the offspring would have two dominant alleles and purple flowers. c) all of the offspring would have one recessive allele, one dominant allele, and white flowers. d) all of the offspring would have one recessive allele, one dominant allele, and purple flowers

What properties of a substance determine how that substance will react when combined with other substances?