What must happen for sexual reproduction to take place in a flatworm?

Which of the following is a part of the heliocentric model? All objects in space move around Earth in perfect circles. All objects in space move around the sun. All objects in space move in parallel tracks. All objects in space are perfect spheres.

Which process causes hillsides and mountains to gradually get smaller? A) avalanche Eliminate B) earthquake C) erosion D) landslide

Describe the structure and functions of the portions of eukaryotic dna that do not encode protein or rna.

Within an organism, phenotypes may change while genotypes remain constant.

Many diseases are caused by a disruption in the metabolism of glycogen, which can lead to an excess of glycogen being stored in the liver, the muscle, or both.

Explain how there can be 2 different pathways In one career cluster

Things like your eyecolor and height are not traits you can control. In fact you inherit traits like these from your parents. These traits are passed on because they are controlled by

Which two statements are true about dehydration synthesis? A. An OH group from one component and an H atom from the other form a water molecule. B. Polymers are broken down into shorter chains or monomers. C.

Jj thomson, ernest rutherford, and niels bohr all proposed models of the atom? true? false?

Why is there limited vegetation in the tundra?