The incidence of down's syndrome increases with the age of the mother.

a. True

b. False

Where does oogenesis take place? seminiferous tubules fallopian tubes ovaries uterus

The excretory system rids your body of solid waste. True False

The epithelium that lines the stomach has many deep infoldings, or pits. in what way do these pits function as glands?

Zach performed several experiments related to gravity. At the end of one experiment, Zach concluded that the gravitational force between two objects is directly proportional to the masses of the objects.

What kind of inheritance does skin colour represent? A. Sex-linked (X-linked) B. Multiple alleles C. Systemic D. Polygenic

What role does gravity play in mass movement

Why don't all plants have chloroplasts?

You step on something in the yard resulting in a puncture wound that does not bleed freely. antigens from any microbes that entered the wound will most likely end up in the

Do cats have funny bones

Pollution in the environment affects living things