What is the name of the one - or two-letter representation of an element?

A chemical symbol

B atomic number

C group symbol

D valence symbol

What is the purpose of the vascular system in a plant?

All ecosystems are effected by wildfires equally? true or false

What is an example of competition among living things (not humans) (garde 8 science)

What is made up of cells

Winds may be named for their location or for the direction from which they blow. Which winds blow from 30° latitude in both hemispheres almost to the equator?

Which of Mendel's laws BEST explains why genetic variations occur in offspring resulting from sexual reproduction? A law of segregation B law of dominance C law of independent assortment D law of crossing-over

When can a primary succession occur?

Friction between a skateboard wheel and the surface produces?

What are two functions of the cell membrane

Why can eukaryotes carry out more specialized functions than prokaryotes can? A) eukaryotes have more organelles B) Prokaryotes have more organelles C) eukaryotes are bigger D) prokaryotes are bigger