What is a mutagen?

O

A. A device used to test for mutations

O

B. A substance that causes a mutation

O

C. A sex cell that has a mutation

O

D. A somatic cell that has a mutation

If a father has A blood type and a mother has B blood type, can they have a child with O blood type?

What scientific statement of a fact that is generally accepted to be true and universal because it's always observed to be true

What are the three layers of the eye

What would be considered a disadvantage?

All of the following are part of a prokaryotic cell except 1) a cell wall. 2) ribosomes. 3) DNA. 4) an endoplasmic reticulum. 5) a plasma membrane.

Why is the equator warmer than the north and south pole

Recognize and use signal words, Assignment Signal words let you know what's coming next in a sentence. Signal words show relationships between ideas. Use the drop-down menus to identify the signal words in each sentences.

Which processes are caused by convection currents in the mantle? Check all that apply. 1. earthquakes 2. ridge push 3. tsunamis 4. slab pull 5. volcanic eruptions 6. subduction

Imagine that you are studying the food preferences of a lizard species across its range. you have hypothesized that because these populations are fairly separate from one another, the lizards have evolved different food preferences.

An animal cell (left) and a plant cell (right) are shown. Which organelle labeled x in the diagram is found in both plant and animal cells