Explain how a human offspring 47 chromosomes could be produced

Do caterpillar's feces weigh the same as the leaf they ate

Water absorbed by the roots of tall trees is transported up to leaves on the highest branches. Which properties of water contribute to this upward movement? A. Water molecules attract each other and bond with nonpolar molecules. B.

A biologist discovers two populations of wolf spiders whose members appear identical. Members of one population are found in the leaf litter deep within the woods. Members of the other population are found in the grass at the edge of the woods.

A vegan diet usually has adequate amounts of which nutrient?

Is the external color of a mineral a reliable characteristic for identification? Name 2 processes which can cause mineral color to change?

Teeth begin to break down food by mechanical digestion. Which statement best describes this physical change?

The type of metamorphism that takes place in response to large-scale mountain-building process is called:

Differential survival and reproduction is best described by which term? a. natural selection b. creationism c. inheritance of acquired characteristics d. none of these

What organelle produces atp during cell respiration

As an evil villain bent on taking over the world, you need a brand new island that no one knows about to install your giant death ray.