Explain why, for each pregnancy, human

parents have a 50 percent probability of having

a boy and a 50 percent probability of having a

girl.

Which homeostatic process is characterized by the diffusion of water molecules? active transport osmosis passive transport dynamic equilibrium

A type of turtle that is found in salt water

Fiber optics depends upon the phenomenon of

The exchange of gasses between blood in systemic capillaries and tissue cells is termed:

True or false: organisms may carry their genetic information in just one dna molecule or several dna molecules

What's the function of rough er

Milo is observing the things around his family's farm. He writes down four different resources and whether he thinks they are renewable or nonrenewable. The table below shows his notes.

A baby born from a caesarian section (an operation where the baby is removed surgically from the abdomen instead of a vaginal birth) would result in:

What are body waves?

Which of these is NOT considered to be an organic substance? A) carbohydrates Eliminate B) lipids C) metals D) proteins